| Subject | English | Japanese |
| gen. | n a baby's first bath | 産湯 |
| gen. | n vs account one got heard from somebody at first hand | 直話 |
| gen. | administer first aid | 応急手当てを施す |
| gen. | administer first aid | 応急手当を施す |
| gen. | n vs advancing to the first grade | 入幕 news1 nf21 |
| gen. | n ancient Japanese coinage first minted in 760 CE | 万年通宝 |
| gen. | exp at first | 初めは |
| gen. | n-adv n-t at first | 当初 ichi1 news1 nf01 (とうしょ) |
| gen. | adv at first | 手初めに |
| gen. | exp at first | 始めは |
| gen. | adj-no adj-na n uk at first glance poor, but on closer examination not too bad | 下手上手 |
| gen. | exp adv at first sight | 一見した所 |
| gen. | exp adv at first sight | 一見したところ |
| gen. | athlete who competes in the first match of a team competition | 先鋒 news2 nf32 (kendo, judo, etc.) |
| gen. | n baby born feet or buttocks first | 逆産 |
| gen. | n baby's first annual festival | 初節句 news2 nf46 |
| gen. | n baby's first annual festival | 初節供 |
| gen. | n baby's first cry | 産声 news2 nf26 |
| gen. | n banquet on the occasion of the first ceremonial offering of rice by the newly-enthroned emperor | 大嘗会 |
| gen. | n barony of the first degree | 雄藩 |
| gen. | n vs batting first | 先攻 news2 nf39 |
| gen. | become for the first time | 来始める |
| gen. | become for the first time | 来はじめる |
| gen. | n vs being elected for the first time | 初当選 |
| gen. | exp being first to know about something | 耳がはやい |
| gen. | exp being first to know about something | 耳が速い |
| gen. | exp being first to know about something | 耳が早い |
| gen. | n vs being in someone's service for the first time | 初参 |
| gen. | n vs being taken with someone at the first meeting | 一目ぼれ |
| gen. | n vs being taken with someone at the first meeting | 一目惚れ |
| gen. | breadth-first | 横型 (よこ・がた) |
| gen. | breadth-first search | 横型探索 |
| gen. | n bringing one's child to the local park to play for the first time | 公園デビュー |
| gen. | n vs cheating on train fare by buying tickets covering only the first and last portions of the journey | 煙管乗車 (so-called because traditional pipes had metal only in two short segments at the ends) |
| gen. | n vs cheating on train fare by buying tickets covering only the first and last portions of the journey | キセル乗車 (so-called because traditional pipes had metal only in two short segments at the ends) |
| gen. | n cheating on train fare by buying tickets covering only the first and last portions of the journey | 煙管乗り |
| gen. | n child born in first half of the year | 年強い |
| gen. | come for the first time | 来始める |
| gen. | come for the first time | 来はじめる |
| gen. | n common first-stage university entrance examination | 共通一次試験 |
| gen. | compete for the first place | 一二を争う |
| gen. | n competition rivalry to first | 先陣争い (e.g. rider in a charge) |
| gen. | complete the first stage of | 一段落付ける |
| gen. | n vs completing the first stage | ひと段落 |
| gen. | n vs completing the first stage | 一段落 ichi1 news1 nf13 |
| gen. | n court of first instance | 予審廷 |
| gen. | n court of first instance | 第一審裁判所 |
| gen. | n court of first instance | 原裁判所 |
| gen. | n obsc day of Ten'ichijin's first ascension to heaven in a year | 天一太郎 (the 30th day of the first sexagenary cycle of the year) |
| gen. | n uk declaring that one is one tile away from winning on one's first discard and before any tiles have been called or kongs declared | 両立直 |
| gen. | n uk declaring that one is one tile away from winning on one's first discard and before any tiles have been called or kongs declared | Ｗ立直 |
| gen. | n uk declaring that one is one tile away from winning on one's first discard and before any tiles have been called or kongs declared | 二重立直 |
| gen. | n uk declaring that one is one tile away from winning on one's first discard and before any tiles have been called or kongs declared | ダブル立直 |
| gen. | adj-pn depth-first | 縦型 (たて・がた) |
| gen. | depth-first search | 縦型探索 |
| gen. | n doing something for the first time | 御初 (ever, in a season, etc.) |
| gen. | doing something for the first time | 筆下ろし |
| gen. | n doing something for the first time | お初 (ever, in a season, etc.) |
| gen. | doing something for the first time | 筆降ろし ik |
| gen. | doing something for the first time | 筆おろし |
| gen. | exp Don't forget your first resolution | 初心忘る可からず |
| gen. | n vs earning the first | 先取 news1 nf14 (runs) |
| gen. | eat something for the first time in the season | お初を頂く |
| gen. | eat something for the first time in the season | お初をいただく |
| gen. | n eating the first meal of soft rice himeii after the traditional hard rice of New Year | 姫初め (kowaii) |
| gen. | n eating the first meal of soft rice himeii after the traditional hard rice of New Year | 姫始め (kowaii) |
| gen. | error of the first type | 第一種の過誤 |
| gen. | fall in love at first sight | 見初める |
| gen. | exp fighting to be first | 先をあらそって |
| gen. | exp fighting to be first | 先を争って |
| gen. | fire the first shot | 口火を切る (fig. only) |
| gen. | first appearance | 目見え |
| gen. | n first appearance | 出始め (of the season) |
| gen. | first appearance | 目見得 |
| gen. | n vs first appearance | 初登場 |
| gen. | n vs first appearance | 初出 news1 nf13 |
| gen. | first auxiliary | 第一助動詞 |
| gen. | n one's first battle | 初陣 news1 nf16 |
| gen. | first bottom | 第1床 |
| gen. | n first brew of tea | 出花 |
| gen. | n first cargo of the year | 初荷 |
| gen. | n first ceremonial offering of rice by newly-enthroned Emperor | 大嘗祭 |
| gen. | n first challenge | 初挑戦 spec1 |
| gen. | n first championship win | 初優勝 (esp. sumo) |
| gen. | n first chapter | 第一章 |
| gen. | n first character | 親字 (of a dictionary entry) |
| gen. | n first character of a dictionary entry | 親文字 |
| gen. | n first child | 第一子 |
| gen. | n first child | 長子 news2 nf39 |
| gen. | n first child | 初子 news2 nf45 |
| gen. | adj-na n adj-no first childbirth | 初産 news2 nf42 |
| gen. | first choice | 第一選択 |
| gen. | n first-class | 第一流 |
| gen. | n first-class | ファーストクラス (fāsuto-kurasu) |
| gen. | adj-no n first-class | 第一級 |
| gen. | adj-no n first-class | 第１級 |
| gen. | adj-na adj-no n first-class | 上等 ichi1 news2 nf43 |
| gen. | n first-class | 甲種 news2 nf47 spec2 (こうしゅ) |
| gen. | adj-no n first-class | 一流 ichi1 news1 nf07 (いちりゅう) |
| gen. | n adj-no first-class | 一等 |
| gen. | n adj-no first-class | １等 ichi1 news1 nf11 |
| gen. | adj-na n first-class | 一級 news1 nf15 |
| gen. | n first-class rice | 上白 |
| gen. | n vs first coating | 地塗り (ぢぬり) |
| gen. | n first coating | 下塗り (したぬり) |
| gen. | n first cold air of autumn | 新涼 |
| gen. | exp First come, first served | 先んずれば人を制す |
| gen. | exp first come, first served | 早い者勝ち |
| gen. | n first-come-first-served basis | 早いもの順 |
| gen. | n first-come-first-served basis | 早い者順 |
| gen. | n first-come-first-served basis | 先着順 |
| gen. | n-adv n-t first 10 days of month | 上旬 ichi1 news1 nf09 (じょうじゅん) |
| gen. | n-adv n first 10 days of the month | 初旬 news1 nf10 |
| gen. | first desk | 首席 news1 nf08 (in orchestra) |
| gen. | first desk | 主席 news1 nf02 (in orchestra) |
| gen. | n first edition | 初版 news1 nf18 |
| gen. | n French First Empire | 第一帝政 |
| gen. | first excursion failure | 初通過破壊 |
| gen. | n first experience | 初体験 (of any activity, しょたいけん・はつたいけん) |
| gen. | n first fertilising | 元肥え |
| gen. | first firing of the bow | 弓場始め (after the New Year or the reconstruction of the archery range (in military families)) |
| gen. | n first five syllables | 初句 (of a tanka) |
| gen. | first five syllables of a waka or haiku | 五文字 |
| gen. | first five-syllable line of a tanka | 発句 news2 nf47 |
| gen. | n first floor | 一階 news1 nf05 (いっかい) |
| gen. | n first flowering on a plant | 初花 |
| gen. | n adj-no first generation | 初代 news1 nf06 |
| gen. | n first-generation Japanese | 一世 news1 nf16 (or Korean, etc.) |
| gen. | First Geodetic Division | 測地第一課 |
| gen. | First Geographic Division | 地理第一課 |
| gen. | n first harvest of the season | 初穗 |
| gen. | n first harvest of the season | 初穂 |
| gen. | exp first "horse day" in any lunar month, but esp. the second lunar month | 初午 |
| gen. | first indication | 曙光 |
| gen. | n first instance | 一審 news1 nf08 |
| gen. | n First Kitchen | ファースト・キッチン (fast food restaurant chain) |
| gen. | n First Kitchen | ファーストキッチン (fast food restaurant chain) |
| gen. | n first knuckle joint | 第一関節 |
| gen. | n first lady | ファースト・レディー |
| gen. | n first lady | 大統領夫人 |
| gen. | n first lady | 国家元首夫人 |
| gen. | n first lady | ファーストレディー |
| gen. | n first language | 第一言語 |
| gen. | n first laugh of the year | 初笑い |
| gen. | n first layer | 一層目 |
| gen. | n first lieutenant | 二尉 (JSDF) |
| gen. | n first lieutenant | 中尉 news1 nf23 |
| gen. | n first light of day | 曙光 |
| gen. | n first lull of the year | 初凪 |
| gen. | n first match | 初戦 news1 nf06 (in a series) |
| gen. | n first mate | 一等航海士 (いっとうこうかいし) |
| gen. | first meaning | 一義 news1 nf20 |
| gen. | n vs first meeting | 発会 news2 nf28 |
| gen. | n first meeting | 初顔合わせ news2 nf31 |
| gen. | n first meeting | 初会合 |
| gen. | n adj-no first meeting | 初会 |
| gen. | n first meeting | 初対面 news1 nf21 |
| gen. | n first memory | 一次記憶 |
| gen. | n first menstruation | 初経 |
| gen. | first menstruation | 初花 |
| gen. | n first menstruation | 初潮 news2 nf47 |
| gen. | first month | 初月 |
| gen. | n first month of the lunar calendar | 睦月 |
| gen. | first month of the lunar calendar | 初春 news2 nf41 |
| gen. | first moon of the month | 初月 |
| gen. | n first move | 先番 (in games) |
| gen. | n first move | 先手 news1 nf12 |
| gen. | n first move | 先 (in go, shogi, etc., さき) |
| gen. | n first movement | 第一楽章 (mus) |
| gen. | n first name | ファストネエム |
| gen. | n first name | ファーストネエム |
| gen. | n first name | 下の名前 |
| gen. | first name | 名まえ |
| gen. | first name | 名前 ichi1 news1 nf02 |
| gen. | n first-name | ファーストネーム |
| gen. | n first name on a list | 筆頭者 |
| gen. | n first number | 初号 (e.g. issue of a magazine) |
| gen. | n first offender | 初犯者 |
| gen. | n first offender | 初犯 |
| gen. | n first officer | 一等航海士 (いっとうこうかいし) |
| gen. | n-adv n-t first or opening day | 初日 ichi1 news1 nf04 |
| gen. | n first or rough coat | 粗塗り (aranuri) |
| gen. | n first or solo run in a race | 単走 (grand prix, horse race, etc.) |
| gen. | n first page of a renka or renku | 初表 |
| gen. | n first page of an online-shopping site | ショッピング・トップ |
| gen. | n first page of an online-shopping site | ショッピングトップ |
| gen. | n vs first paragraphs omitted | 上略 |
| gen. | n vs first performance | 初演 news1 nf10 |
| gen. | n first period | 一限目 (e.g. first class in school day) |
| gen. | n first period | １限目 (e.g. first class in school day) |
| gen. | first period | 一期 |
| gen. | first permanent wilting point | 第1永久萎稠点 |
| gen. | first permanent wilting point | 初期シオレ点 |
| gen. | n first-person narrative | 私語り |
| gen. | n first-person novel | イッヒロマン |
| gen. | suf hum first-person plural | 共 ichi1 (or singular) |
| gen. | pn adj-no first person pronoun used by royalty | 朕 |
| gen. | n first person to say something | 言出しっぺ |
| gen. | n first person to say something | 言出しべ |
| gen. | n first person to say something | 言出し屁 |
| gen. | n first person to say something | 言い出し屁 |
| gen. | n first person to say something | 言い出しべ |
| gen. | n first person to say something | 言出しっ屁 |
| gen. | n first person to say something | 言い出しっ屁 |
| gen. | n first person to say something | 言い出しっぺ news2 nf46 |
| gen. | n first person to suggest something | 言い出しっ屁 |
| gen. | n first person to suggest something | 言出しっぺ |
| gen. | n first person to suggest something | 言い出しべ |
| gen. | n first person to suggest something | 言出しっ屁 |
| gen. | n first person to suggest something | 言出しべ |
| gen. | n first person to suggest something | 言出し屁 |
| gen. | n first person to suggest something | 言い出し屁 |
| gen. | n first person to suggest something | 言い出しっぺ news2 nf46 |
| gen. | n first philosophy | 第一哲学 |
| gen. | n first player | 一番手 news1 nf22 |
| gen. | first polar body | 第一極体 |
| gen. | n first print | 初刷り (run) |
| gen. | n first print | 初刷 (run) |
| gen. | n first priority | 最優先事項 |
| gen. | n vs first priority | 先決 ichi1 news1 nf13 |
| gen. | n first public exhibition | 初公開 |
| gen. | n first quotation for a stock at the first exchange meeting of the New Year | 初値 |
| gen. | n vs first race | 発走 |
| gen. | n first range of mountains | 前山 news2 nf45 |
| gen. | exp first-rate | 此の上無い |
| gen. | adj-no n first-rate | 第一級 |
| gen. | adj-no n first-rate | 第１級 |
| gen. | exp first-rate | この上ない |
| gen. | adj-na n adj-no first-rate | 極上 news2 nf42 spec2 (ごくじょう) |
| gen. | first-rate influential performer | 大看板 (theatre, film, etc.) |
| gen. | n first-rate object | 逸物 |
| gen. | n first-rate specimen | 逸物 |
| gen. | n first-rate sword | 大業物 |
| gen. | n first report | 第一報 (esp. of an incident, disaster, or news story) |
| gen. | first revised estimate | 第1回修正見積り |
| gen. | n vs first ride | 初乗り (in a new vehicle, in the new year, etc.) |
| gen. | n first ring-entering ceremony of the newly promoted grand champion, performed at Meiji shrine | 推挙式 |
| gen. | n first round | 一回戦 (of tennis, etc.) |
| gen. | n first run | ファースト・ラン |
| gen. | n first run | ファーストラン |
| gen. | n first-run limited edition production recording | 初回生産限定盤 |
| gen. | n first-run limited edition technical recording | 初回仕様限定盤 |
| gen. | n first-run theater | 封切り館 |
| gen. | n first-run theatre | 封切り館 |
| gen. | n first runs scored | 先取得点 |
| gen. | n first screening | 初号試写 |
| gen. | first seat | 一座 news1 nf19 |
| gen. | first section of a waka | 基 usu. 元 (ki) |
| gen. | first section of a waka | 素 |
| gen. | first section of a waka | 本 ichi1 (ほん) |
| gen. | first section of a waka | 元 ichi1 news1 nf05 (gen) |
| gen. | n First Section of the Tokyo Stock Exchange | 東証一部 |
| gen. | n First Section of the Tokyo Stock Exchange | 東証第一部 |
| gen. | n first segment of a chicken's wing | 手羽元 |
| gen. | n first set of teeth | 乳歯 |
| gen. | n first ski of the season | 初滑り |
| gen. | n first ski run | 初滑り |
| gen. | first sleep of silkworms | ひと眠り |
| gen. | first sleep of silkworms | 一睡り ik |
| gen. | first sleep of silkworms | 一眠り |
| gen. | n first speech | 第一声 news1 nf13 |
| gen. | first stage BOD | 一次ＢＯＤ |
| gen. | first-stage combustion | 第１期燃焼 |
| gen. | first stage concrete | 第一次コンクリート (am) |
| gen. | n first stage examination | 一次試験 |
| gen. | n first stage of sleep | 寝いりばな |
| gen. | n first stage of sleep | 寝入り端 |
| gen. | n first stage of sleep | 寝入りばな |
| gen. | n first 17-syllable verse of a renga | 発句 news2 nf47 |
| gen. | first ten days of the fourth lunar month | 清和 |
| gen. | n-t adj-no first term | 前期 ichi1 news1 nf05 (ぜんき) |
| gen. | first term | 一期 |
| gen. | n first third of a two-hour period | 上刻 |
| gen. | n first tone | 第一声 news1 nf13 |
| gen. | n first tone in old Chinese phonetics | 平声 |
| gen. | exp n first torii gate of a shrine | 一の鳥居 |
| gen. | n first trade of the year | 初商い |
| gen. | n First Turkish Ottoman Constitution | オスマン帝国憲法 |
| gen. | first verse of a haikai, etc. | 冠 ichi1 news1 nf06 |
| gen. | exp first verse of a nursery rhyme sung by children on cold days | 大寒小寒 (similar to "It's Raining, It's Pouring") |
| gen. | n first victory | 初制覇 |
| gen. | n first visit of a child to the shrine of its tutelary deity | 初宮参り (usu. when the child is about 30 days old) |
| gen. | n first visit to inn, restaurant, etc. without an introduction | 一現 ik |
| gen. | n first visit to inn, restaurant, etc. without an introduction | 一見 |
| gen. | n first volume | 上篇 |
| gen. | n first volume | 上巻 (in set) |
| gen. | first volume | 一巻き |
| gen. | n first volume | 上 ichi1 (e.g. book, あがり) |
| gen. | n first volume | 前篇 |
| gen. | n first volume | 首巻 (of book) |
| gen. | n first volume | 上編 |
| gen. | n first volume | 第一巻 |
| gen. | n first volume | 初篇 |
| gen. | n first volume | 初編 |
| gen. | n first volume | 前編 news2 nf46 |
| gen. | first volume | 一巻 news2 nf30 |
| gen. | first wall | 第一壁 |
| gen. | n first watch | 一更 |
| gen. | n first watch of the night | 初更 (approx. 7 pm to 9 pm) |
| gen. | n first watch of the night | 初夜 |
| gen. | n first water drawn from a well on New Year's Day | 若水 |
| gen. | n obsc first young greens of the year | 初若菜 |
| gen. | adv adj-no for the first time | 始めて |
| gen. | adv adj-no for the first time | 甫めて |
| gen. | n for the first time | 初に |
| gen. | adv adj-no for the first time | 初めて ichi1 |
| gen. | for the first time in | 振り ichi1 (period of time, furi) |
| gen. | adv for the first time in a while | 久し振りに |
| gen. | adv for the first time in a while | 久しぶりに |
| gen. | exp for the first time in one's life | 生まれて初めて |
| gen. | exp for the first time in ... years | 年振り |
| gen. | exp for the first time in ... years | 年ぶり |
| gen. | n former rank in the Japanese army and navy, equiv. to private first-class, lance corporal, etc. | 兵長 |
| gen. | adv n from first to last | 始終 ichi1 news2 nf43 |
| gen. | adv uk from the first | 固より |
| gen. | adv uk from the first | 素より |
| gen. | adv uk from the first | 元より ichi1 |
| gen. | n vs uk game in which two children looking at each other try to make the opponents laugh first | 睨めっこ |
| gen. | give first-aid | 応急手当てを施す |
| gen. | give first-aid | 応急手当を施す |
| gen. | go first | 先頭を切る |
| gen. | go first | 切る ichi1 news1 nf11 (きる) |
| gen. | n vs adj-no going first | 先発 news1 nf03 |
| gen. | n vs adj-no going first | 先行 news1 nf05 |
| gen. | have lost the first bloom of youth | 薹が立つ |
| gen. | he who first suggests it should be the first to do it | 隗より始めよ |
| gen. | he who first suggests it should be the first to do it | まず隗より始めよ |
| gen. | adj-na n uk head first | 真っ逆様 |
| gen. | adj-na n uk head first | 真っ逆さま |
| gen. | adj-i hear for the first time | 耳新しい |
| gen. | n hearing something for the first time | 初耳 news2 nf37 |
| gen. | imperial archery event held annually on the 18th day of the first lunar month | 賭射 (Heian period) |
| gen. | imperial archery event held annually on the 18th day of the first lunar month | 賭弓 (Heian period) |
| gen. | adv uk in the first place | 先ずもって |
| gen. | adv uk in the first place | まず以って io |
| gen. | n yoji in the first place | 劈頭第一 |
| gen. | uk in the first place | 大体 ichi1 news1 nf13 |
| gen. | adv uk in the first place | 先もって io |
| gen. | adv uk in the first place | 先以て io |
| gen. | n-adv uk in the first place | 抑々 |
| gen. | n-adv uk in the first place | 抑抑 |
| gen. | adv uk in the first place | 先ず以って io |
| gen. | adv uk in the first place | 先以って io |
| gen. | adv uk in the first place | まず以て |
| gen. | adv uk in the first place | 先ず以て |
| gen. | n-adv uk in the first place | 抑 ichi1 news2 nf25 |
| gen. | n It's good to have a girl first and then a boy | 一姫二太郎 |
| gen. | n Japan's first circulated coinage | 和同開珎 (minted in 708 CE) |
| gen. | n Japan's first coinage | 富本銭 (dating to 683 CE, but perhaps never in circulation) |
| gen. | know for the first time | 知初める |
| gen. | know for the first time | 知り初める |
| gen. | n "ladies first" rule of etiquette | レディーファースト |
| gen. | n "ladies first" rule of etiquette | レディ・ファスト |
| gen. | n "ladies first" rule of etiquette | レディファースト |
| gen. | n "ladies first" rule of etiquette | レディーズファースト |
| gen. | last in first out | 後入先出 (あといれさきだし) |
| gen. | exp last in, first out | 後入れ先出し |
| gen. | Last-in First-out | 後入先出し (LIFO) |
| gen. | let pass first | 先に通す |
| gen. | n lining out to first base | 一直 |
| gen. | n vs love at first sight | 一目ぼれ |
| gen. | n vs love at first sight | 一目惚れ |
| gen. | n vs making one's first appearance | 顔見世 esp. 顔見せ |
| gen. | n vs making one's first appearance | 顔見せ |
| gen. | n adj-no meeting for the first time | 初会 |
| gen. | n military-first policy of North Korea | 先軍政治 |
| gen. | n mochi offered when drawing the first water of the year | 水の餅 |
| gen. | n vs new bride's first visit to parents | 里帰り news1 nf16 |
| gen. | n new futures on the first trading session of the month | 新甫 |
| gen. | n novel narrated in the first person | 私小説 news2 nf32 |
| gen. | n on the first opportunity | 便の有り次第 |
| gen. | n vs participating for the first time | 初参 |
| gen. | n pattern of Japanese accent with the first mora high and the following ones low | 頭高型 |
| gen. | n person with the first move | 先手 news1 nf12 |
| gen. | n pitcher's first pitch | 初球 news1 nf12 (to batter) |
| gen. | n private first-class | １等卒 |
| gen. | n private first-class | 一等陸士 |
| gen. | n private first-class | 一等卒 |
| gen. | n private first-class | １等陸士 |
| gen. | n private first-class | 一士 (JSDF) |
| gen. | n public interest first | 公益優先 (こうえきゆうせん) |
| gen. | n yoji question to be settled first | 先決問題 |
| gen. | n reaching first base safely due to opponent's error | 振り逃げ |
| gen. | n residential building in which the first floor is occupied by businesses | 下駄履き住宅 |
| gen. | n right of first refusal | 先買権 |
| gen. | n safety first | 安全第一 |
| gen. | n scenery seen on the morning of the first day of the year | 初景色 |
| gen. | score the first point | 先取点を挙げる |
| gen. | n vs scoring the first point | 先勝 news2 nf37 |
| gen. | n seeing for the first time | 見始め |
| gen. | n seeing for the first time | 見始 io |
| gen. | n seeing for the first time | 初見 news2 nf40 |
| gen. | adv self first | 我先に |
| gen. | n sergeant first-class | 二曹 (JSDF) |
| gen. | n sergeant first-class | １等軍曹 |
| gen. | n sergeant first-class | 一等軍曹 |
| gen. | n service in the first reserve | 予備役 |
| gen. | n shrine ritual held with the first two months of the year to forecast or pray for a successful harvest | お田植え祭り |
| gen. | n shrine ritual held with the first two months of the year to forecast or pray for a successful harvest | 御田植え祭 |
| gen. | n shrine ritual held with the first two months of the year to forecast or pray for a successful harvest | 御田植え祭り |
| gen. | n shrine ritual held with the first two months of the year to forecast or pray for a successful harvest | お田植え祭 |
| gen. | n shrine ritual held with the first two months of the year to forecast or pray for a successful harvest | 田植え祭 |
| gen. | n shrine ritual held with the first two months of the year to forecast or pray for a successful harvest | 田植え祭り |
| gen. | n something heard for the first time | 初耳 news2 nf37 |
| gen. | n spirit of someone on the first O-Bon after their death | 新精霊 |
| gen. | n spirit of someone on the first O-Bon after their death | 新仏 |
| gen. | exp start with the first step | 隗より始めよ |
| gen. | exp start with the first step | まず隗より始めよ |
| gen. | n vs adj-no starting first | 先発 news1 nf03 |
| gen. | adv striving to be first | 我先に |
| gen. | n student who passed their university entrance exams on the first try | 現役生 |
| gen. | student who passed their university entrance exams on the first try | 現役 ichi1 news1 nf05 |
| gen. | n yoji success on the first try | 一発必中 (attempt) |
| gen. | n vs taking score the first two points of the game | 二点先取 |
| gen. | n tea prepared for the New Year with the first water of the year | 大福茶 |
| gen. | n tea prepared for the New Year with the first water of the year | 大服茶 |
| gen. | n the act of entering a new school as a non-first-year student | 編入学 |
| gen. | n n-suf the First | 一世 news1 nf16 |
| gen. | n the first ... | 第一次 (だいいちじ) |
| gen. | n the first | 一番目 |
| gen. | n the first | イニシアル |
| gen. | n the first | イニシャル |
| gen. | n adj-no yoji the first and last occurrence event, experience of one's lifetime | 一世一代 |
| gen. | n adj-no yoji so marvelous or horrible that it may be the first and probably the last | 空前絶後 |
| gen. | n the first and second | 一二 news1 nf18 |
| gen. | exp the first bad omen | けちのつき始め |
| gen. | n the first beat of the war drum | 一鼓 |
| gen. | n the first bonito of the season | 初松魚 |
| gen. | n the first bonito of the season | 初鰹 |
| gen. | exp the first day after the holidays | 休み明け |
| gen. | n obsc the first generation of a family | 初祖 |
| gen. | adj-na n the first half of the year | 年強 |
| gen. | n the first half-year | 前半期 (ぜんはんき) |
| gen. | n the first half-year | 上半期 news1 nf09 (かみはんき) |
| gen. | n yoji the first in history | 史上唯一 |
| gen. | the first law of thermodynamics | 熱力学の第一法則 (netsurikigaku no daiichi-hōsoku) |
| gen. | n the first leaves to appear after the cotyledon | 本葉 |
| gen. | the first month of the year | 御正月 |
| gen. | the first month of the year | お正月 |
| gen. | the first month of the year | 正月 ichi1 news1 nf06 |
| gen. | n yoji member of the generation born in the first nine years of the Showa period | 昭和一桁 (from 1926 to 1934) |
| gen. | n the first harvest, catch of the season or year | 走り news1 nf09 |
| gen. | n the first part of a poem or verse | 上の句 |
| gen. | the first party | 甲 news1 nf10 (こう) |
| gen. | the first person who claims innocence is guilty | 言出しっ屁 |
| gen. | the first person who claims innocence is guilty | 言い出しっ屁 |
| gen. | the first person who claims innocence is guilty | 言出しっぺ |
| gen. | the first person who claims innocence is guilty | 言い出しべ |
| gen. | the first person who claims innocence is guilty | 言い出し屁 |
| gen. | the first person who claims innocence is guilty | 言出しべ |
| gen. | the first person who claims innocence is guilty | 言出し屁 |
| gen. | the first person who claims innocence is guilty | 言い出しっぺ news2 nf46 |
| gen. | n the first proof | 一校 news1 nf23 |
| gen. | exp the first sign of bad luck | けちのつき始め |
| gen. | n the first sleep | 一眠 (of silkworms) |
| gen. | n the first star to appear in the evening | 一番星 |
| gen. | n the first success | 初の成功 |
| gen. | n-adv yoji the first thing one says after opening the mouth | 開口一番 |
| gen. | n the first time in the year that one wears an awase kimono | 初袷 |
| gen. | n vs the first to charge | 魁 |
| gen. | n vs the first to charge | 先駆け news1 nf19 |
| gen. | exp the industry's first ... | 業界初 |
| gen. | the longest-first method | 最長一致 |
| gen. | n the three tones of Chinese that exclude the high-level, or first, tone | 仄声 |
| gen. | n thirty-first day of the month | ３１日 |
| gen. | n thirty-first day of the month | 三十一日 |
| gen. | n three-part joke, where the first two parts are similar and mundane, while the third is the punchline | 三段オチ (e.g. How do you get to my place? Go down to the corner, turn left, and get lost.) |
| gen. | n three-part joke, where the first two parts are similar and mundane, while the third is the punchline | 三段落ち (e.g. How do you get to my place? Go down to the corner, turn left, and get lost.) |
| gen. | n vs adj-no time where the first symptoms of an illness appear | 発症 spec1 |
| gen. | time-lag of first order | 一次遅れ |
| gen. | v1 vi to be the first | 先駆ける news1 nf17 |
| gen. | n traditional Chinese spelling system in which two characters are used: the first one for the onset, the second one for rhyme and tone | 反切 |
| gen. | n traffic accident caused by a driver thanking another driver for letting him go first at a junction | サンキュー事故 |
| gen. | exp obsc try though one might, it's impossible to replace one's first love | 本木にまさる末木なし |
| gen. | n trying to correct an unborn child's improper position so that the head comes out first | 逆子体操 |
| gen. | n twentieth day of the first month | 二十日正月 (end of New Year celebrations, upon which remaining New Year's food is eaten, decorations are stowed away, etc.) |
| gen. | n twenty-first day of the month | ２１日 |
| gen. | n twenty-first day of the month | 二十一日 |
| gen. | n twenty-first of the sexagenary cycle | 甲申 |
| gen. | n type of bronze Chinese coin first issued under Emperor Yuan of the Southern Liang dynasty worth the value of ten iron coins | 當十錢 |
| gen. | n vs using a new brush for the first time | 筆降ろし ik |
| gen. | n vs using a new brush for the first time | 筆下ろし |
| gen. | n vs using a new brush for the first time | 筆おろし |
| gen. | exp yoji victory goes to the one who makes the first move | 先手必勝 |
| gen. | visiting a shrine or temple for the first time | 初参 |
| gen. | n wand used when preparing gruel for the 15th of the first month | 粥杖 (said to cure sterility in women) |
| gen. | water vessel used for a baby's first bath | 缶 (かん) |
| gen. | wear for the first time | 降ろす ichi1 |
| gen. | wear for the first time | 下す io |
| gen. | wear for the first time | 下ろす ichi1 |
| gen. | n vs winning one's first election | 初当選 |
| gen. | n vs winning the first game | 先勝 news2 nf37 |
| gen. | n winning with a discard in the first turn | 人和 |
| gen. | n winning with a self-drawn tile in the first turn | 地和 |
| gen. | n word created by retaining the first syllable or two of a word and suffixing it with the word "moji" | 文字言葉 |
| gen. | n word created by retaining the first syllable or two of a word and suffixing it with the word "moji" | 文字詞 |
| gen. | exp adj-no world-first | 世界で初めて |
| gen. | n adj-no world-first | 世界初 |
| gen. | exp adj-no world's first | 世界で初めて |
| gen. | n year's first dream | 初夢 ichi1 news2 nf46 |