| Subject | English | Japanese |
| gen. | n a heart that understands truth | 諦念 |
| gen. | exp A honey tongue, a heart of gall | 口に蜜有り腹に剣有り |
| obs. | exp a honeyed tongue with a heart of gall | 巧言令色すくなし仁 |
| obs. | exp a honeyed tongue with a heart of gall | 巧言令色少なし仁 |
| obs. | exp a honeyed tongue with a heart of gall | 巧言令色鮮し仁 |
| gen. | exp a man's heart and autumn weather | 男心と秋の空 (are both fickle) |
| gen. | exp a woman's heart and autumn weather | 女心と秋の空 (are both fickle) |
| gen. | arteriosclerotic heart disease | 動脈硬化性心疾患 |
| gen. | artificial heart and lung | 人工心肺 |
| gen. | black heart malleable cast iron | 黒心可鍛鋳鉄 (kokushin-katan-chūtetsu) |
| inf. | n vs one's chest tightening up from emotion so much that one feels one's heart might stop | きゅん死 |
| inf. | n vs one's chest tightening up from emotion so much that one feels one's heart might stop | キュン死 |
| astr. | n Chinese "Heart" constellation | 心宿 (one of the 28 mansions) |
| astr. | n Chinese "Heart" constellation | 中子星 (one of the 28 mansions) |
| astr. | Chinese "Heart" constellation | 心 ichi1 (one of the 28 mansions, shin) |
| gen. | n clearing one's heart of doubts | 念晴し |
| gen. | n clearing one's heart of doubts | 念晴らし |
| gen. | congenital heart disease | 先天性心疾患 |
| gen. | n congestive heart failure | うっ血性心不全 |
| abbr. | decompensated congestive heart failure | デコ |
| tech. | false heart wood | 擬心材 (ぎしんざい) |
| tech. | false heart wood | 偽心材 (gishinzai) |
| gen. | fetal heart rate | 胎児心拍数 |
| gen. | exp following one's heart's desires | 心の儘 |
| gen. | exp following one's heart's desires | 心のまま |
| gen. | n yoji getting down to work, putting heart and soul into it | 奮起一番 |
| gen. | adv getting to the heart of the matter | ずばっと |
| gen. | give heart to | 想いを寄せる |
| gen. | give heart to | 思いをよせる |
| gen. | give heart to | 想いをよせる |
| gen. | give heart to | 思いを寄せる |
| gen. | go heart and soul into | 打込む |
| gen. | go heart and soul into | 打ち込む ichi1 news1 nf21 (うちこむ) |
| gen. | God's heart or spirit | 御心 (in Christianity) |
| gen. | adj-na n yoji going through life with one's heart on one's sleeve | 多情多恨 |
| gen. | have a heart attack | 心臓発作 |
| gen. | have a heart-to-heart talk | 胸襟を開く (with someone) |
| gen. | have a heart-to-heart talk | 腹を割って話す |
| gen. | have heart ache | 胸がいたむ |
| gen. | have heart ache | 胸が痛む |
| gen. | have heart beat wildly | 胸が騒ぐ |
| gen. | have heart completely cleared of doubt or grudge | 釈然 |
| gen. | have heart pound | 胸おどる |
| gen. | have heart pound | 胸躍る |
| gen. | have heart set on | 心を決める |
| gen. | have heart stop beating | 心臓がとまる |
| gen. | have heart stop beating | 心臓が止まる |
| gen. | have heart-strings pulled | 心がひかれる |
| gen. | have heart-strings pulled | 心が引かれる |
| gen. | have heart touched | 胸にジーンと来る (by something very moving) |
| gen. | n yoji having the face of a devil and the heart of Buddha | 鬼面仏心 |
| abbr. | n heart and lung machine | 心肺 |
| gen. | n heart and lungs | 心肺 |
| gen. | adv heart and soul | 心から news1 nf08 spec1 |
| gen. | n heart and soul | 心魂 |
| gen. | n adj-no heart attack | 心臓麻痺 |
| gen. | n heart attack | 心筋梗塞 news2 nf30 |
| gen. | n adj-no heart attack | 心臓まひ |
| gen. | n heart attack | 心臓発作 |
| gen. | n heart attack | 狭心症 news1 nf23 |
| gen. | heart beat | 心拍動 |
| gen. | heart block | 心ブロック |
| tech. | heart branch | 懐枝 (ふところえだ) |
| gen. | adj-no heart-breaking | 心臓破り often 心臓破りの丘/坂 (esp. in physical activity such as running) |
| gen. | adj-i heart-breaking | 辛い ichi1 |
| med. | n heart-burn | 吞酸 oK |
| med. | n heart-burn | 呑酸 |
| comp., MS | Heart Button | ハートの飾り付けボタン (A button on the Comfy Cakes game interface that allows the player to select a heart decoration for their cake) |
| med. | n heart bypass | 冠動脈バイパス手術 |
| gen. | n heart cam | ハート・カム |
| gen. | n heart cam | ハートカム |
| gen. | heart conduction system | 心臓刺激伝導系 |
| radiobiol. | heart current factor | 心電流因子 |
| gen. | n heart disease | 心疾患 |
| gen. | n heart disease | 心臓病 news1 nf12 |
| gen. | n vs beriberi-caused heart failure | 衝心 |
| gen. | n heart failure | 心不全 news1 nf03 |
| gen. | n heart free of evil | 心清し |
| gen. | adv vs adv-to on-mim heart going pit-a-pat | はらはら |
| gen. | adv vs adv-to on-mim heart going pit-a-pat | ハラハラ gai1 ichi1 |
| gen. | n adj-na adv yoji one's heart is filled with even deeper emotion | 感慨一入 |
| gen. | exp Heart is won by heart | 人生意気に感ず |
| gen. | heart lung | 心肺 |
| gen. | n heart-lung machine | 人工心肺 |
| gen. | heart lung preparation | 心肺標本 |
| gen. | heart lung ratio | 心肺係数 |
| gen. | heart lung transplantation | 心肺移植 |
| gen. | n heart massage | 心臓マッサージ |
| med. | n heart murmur | 心雑音 |
| gen. | n adj-no heart muscle | 心筋 news1 nf10 (しんきん) |
| gen. | n heart of a mountain | 山懐 |
| gen. | n heart of city a metropolis | 都心 ichi1 news1 nf05 (としん) |
| gen. | n one's heart of hearts | 胸奥 |
| gen. | exp adj-i heart of stone | 血も涙も無い |
| gen. | exp adj-i heart of stone | 血も涙もない |
| comp., MS | Heart Pan Button | ハートのケーキ型ボタン (A button on the Comfy Cakes game interface that allows the player to select a heart-shaped pan to bake their cake in) |
| gen. | adj-f heart-pounding | 胸おどる |
| gen. | adj-f heart-pounding | 胸躍る |
| gen. | n one's heart rate | 心拍数 news2 nf30 |
| gen. | n adj-no heart rate | 心拍 news2 nf39 |
| comp., MS | heart rate monitor | 心拍数モニター (A device for observation of the heart function) |
| gen. | n heart rate monitor | 心拍計 |
| construct. | heart rot | 心腐れ (しん・ぐされ) |
| tech. | heart-rot | 心腐 (しんぐされ) |
| med. | n heart rupture | 心破裂 |
| med. | n heart rupture | 心臓破裂 |
| gen. | n heart's blood | 心血 news2 nf33 |
| gen. | heart's content | 思うぞんぶん |
| gen. | heart's content | 腹いっぱい |
| gen. | heart's content | 心行くまで |
| gen. | heart's content | 心行く迄 |
| gen. | heart's content | 思うさま |
| gen. | heart's content | 心のまま |
| gen. | heart's content | 心の儘 |
| gen. | heart's content | 心ゆくばかり |
| gen. | heart's content | 思う様 |
| gen. | heart's content | 心ゆく迄 |
| gen. | heart's content | 心ゆくまで |
| gen. | heart's content | 腹一杯 ichi1 |
| gen. | heart's content | 思う存分 ichi1 news2 nf37 |
| gen. | heart's content | 存分 news1 nf18 |
| gen. | heart's content | 鱈腹 ateji |
| gen. | heart's content | 存分に |
| gen. | heart's content | 思いのまま |
| gen. | heart's content or satisfaction | 思う儘 |
| gen. | heart's content or satisfaction | 思うがまま |
| gen. | heart's content or satisfaction | 思うまま |
| gen. | one's heart's desire | 本命 news1 nf14 |
| gen. | n vs adj-no one's heart's desire | 念願 ichi1 news1 nf10 |
| gen. | heart septum | 心臓中隔 |
| tech. | heart shake | 心割 (しんわれ) |
| gen. | n heart shape | ハート形 |
| math. | adj-no heart-shaped | 心臓形 (shinzōkei) |
| gen. | heart sound | 心音 |
| gen. | n heart specialist | 心臓専門医 |
| gen. | n heart surgery | 心臓外科 |
| gen. | n Heart Sutra | 般若心経 |
| gen. | adv n vs heart-to-heart | しんみり |
| gen. | n yoji heart-to-heart communication | 拈華微笑 |
| gen. | n heart transplant | 心臓移植 |
| gen. | n heart transplant operation | 心臓移植手術 |
| gen. | n heart trouble | 心臓病 news1 nf12 |
| gen. | n heart valve | 心臓弁 |
| gen. | heart volume | 心容積 |
| gen. | adj-na heart-warming | ハートフル |
| construct. | heart wood | 心材 (shinzai) |
| construct. | heart wood | 赤身 (あかみ) |
| tech. | heart wood | 赤味材 (akamizai) |
| tech. | heart wood | 赤味心材 (あかみしんざい) |
| tech. | heart wood | 赤身材 (あかみざい) |
| tech. | heart wood | 赤味 (あかみ) |
| gen. | adv adv-to on-mim heart-wringing | きゅん esp. 胸がきゅん(と)なる |
| gen. | in one's heart of hearts | 腹の内 |
| gen. | in one's heart of hearts | 腹の中 |
| gen. | n internal organs such as heart, liver, kidneys used as food | 赤臓 |
| gen. | n internal organs such as heart, liver, kidneys used as food | 赤もつ |
| org.name. | International Society for Heart Research | 国際心臓研究学会 |
| gen. | n ischaemic heart disease | 虚血性心疾患 |
| gen. | n ischemic heart disease | 虚血性心疾患 |
| org.name. | Japanese Section of International Society for Heart Research | 国際心臓研究学会日本部会 |
| gen. | kanji "heart" radical at bottom | 下心 news2 nf47 |
| gen. | n kanji "heart" radical at left | 立心偏 忄 as in 忙 (radical 61) |
| gen. | left heart failure | 左心不全 |
| gen. | let heart go out to | 心を寄せる |
| gen. | lose heart to | 惚れる ichi1 |
| gen. | make heart flutter | 胸を時めかす |
| gen. | make heart flutter | 胸をおどらせる |
| gen. | make heart flutter | 胸を躍らせる |
| gen. | make heart flutter | 胸をときめかす |
| org.name. | National Heart, Lung, and Blood Institute | 国立心肺血液研究所 |
| gen. | not put heart in | 弛む ichi1 |
| gen. | n nursery-tale mallet that delivers one's heart's desire at a wave | 打出の小槌 |
| gen. | n nursery-tale mallet that delivers one's heart's desire at a wave | 打ち出の小槌 |
| comp., MS | peak heart rate | 最大心拍数 (The fastest heart rate (measured per minute) an individual can safely achieve through exercise stress) |
| gen. | exp v1 pour one's heart and soul into | 精根を込める |
| gen. | exp v1 pour one's heart and soul into | 精魂を込める |
| gen. | n adj-na adj-no yoji pure in heart and with a clean conscience | 清浄潔白 |
| gen. | n adj-na yoji pure of heart and beautiful | 純真可憐 |
| gen. | n yoji pure of heart and beautiful | 純情可憐 |
| gen. | put heart and soul into something | 精魂を傾ける |
| gen. | put heart into | 心血を注ぐ |
| gen. | put heart into | 心を入れる |
| gen. | put heart into something | 心をこめる |
| gen. | put heart into something | 心を込める |
| gen. | n vs adj-no putting one's heart and soul into | 入魂 news2 nf43 |
| comp., MS | resting heart rate | 安静時心拍数 (A person's heart rate when they are at rest) |
| gen. | right heart failure | 右心不全 |
| gen. | exp rivalry for the heart of a woman | 恋の鞘当て |
| gen. | exp rivalry for the heart of a woman | 恋のさやあて |
| gen. | n rivalry for the heart of a woman | 鞘当て |
| gen. | n section chief with a heart of stone | 鬼課長 |
| gen. | send heart out to | 思いをはせる |
| gen. | send heart out to | 思いを馳せる |
| gen. | set heart on | 思い込む ichi1 news2 nf47 |
| gen. | set heart on | 思いこむ |
| gen. | set heart on | 心を決める |
| gen. | set heart on | 極める |
| gen. | set heart on | 決める ichi1 news1 nf22 |
| gen. | n vs setting one's heart against | 断固反対 |
| humor. | the person at the heart of the matter | 本尊 news2 nf27 spec2 |
| humor. | the person at the heart of the matter | ご本尊 |
| humor. | the person at the heart of the matter | 御本尊 |
| rel., budd. | n the three kilesas that poison the heart of man | 貪瞋癡 oK from 貪欲, 瞋恚 and 愚痴 (greed, hatred and delusion) |
| rel., budd. | n the three kilesas that poison the heart of man | 貪瞋痴 (greed, hatred and delusion) |
| rel., budd. | n the three kleshas that poison the heart of man | 三毒 (desire, ill will and ignorance) |
| sumo. | n three qualities of a wrestler: heart, technique, physique | 心技体 |
| gen. | v5r vi to be heart-warming | 心暖まる |
| gen. | v5r vi to be heart-warming | 心温まる |
| gen. | n yoji to one' heart's content | 自由放題 |
| gen. | win heart and mind | 心を掴む |
| gen. | win heart and mind | 心をつかむ |
| gen. | n-adv yoji with one's heart and soul | 専心一意 |
| gen. | adj-na n yoji with heart and soul | 一心不乱 news2 nf43 |
| gen. | n-adv adj-no yoji with one's heart and soul | 一意専心 |
| tech. | wound heart wood | 擬心材 (ぎしんざい) |
| tech. | wound heart wood | 偽心材 (gishinzai) |