| Subject | English | Japanese |
| gen. | n Japan's oldest anthology of poems | 萬葉集 |
| gen. | n Japan's oldest anthology of poems | 万葉集 |
| gen. | n oldest architectural style for Shinto shrines | 大社造り (e.g. used at Izumo shrine) |
| gen. | n oldest child | 長子 news2 nf39 |
| gen. | n oldest child | 總領 oK |
| gen. | n oldest child | 惣領 |
| gen. | n oldest child | 総領 |
| gen. | oldest Dryas time | 最古ドリアス期 |
| gen. | exp oldest mankind | 人類最古 (e.g. evidence of) |
| gen. | n adj-no oldest member of a group | 最古参 |
| gen. | n oldest person | 最年長者 |
| gen. | n oldest sister | 長姉 |
| gen. | oldest son | 長子 news2 nf39 |
| gen. | n oldest surviving traditional style of sake making | 生酛 |
| gen. | n oldest surviving traditional style of sake making | 生もと |
| gen. | the oldest person | 年頭 ichi1 news1 nf18 |
| euph. | world's oldest profession | 世界最古の職業 (せかいさいこ・しょくぎょう karulenk) |