| Level 4 vocabulary |
| 自転車 | (n) bicycle/ (P) |  |
| 自動車 | (n) automobile/ (P) |  |
| 自分 | (n) myself/ oneself/ (P) |  |
| Level 3 vocabulary |
| 自由 | (adj-na,exp,n) freedom/ liberty/ as it pleases you/ (P) |  |
| Level 2 vocabulary |
| 各自 | (n-adv,n-t) individual/ each/ (P) |  |
| 自衛 | (n) self-defense/ (P) |  |
| 自殺 | (n,vs) suicide/ (P) |  |
| 自習 | (n,vs) self-study/ (P) |  |
| 自信 | (n) self-confidence/ (P) |  |
| 自身 | (n) by oneself/ personally/ (P) |  |
| 自然科学 | natural science/ (P) |  |
| 自宅 | (n) one's home/ (P) |  |
| 自治 | (n) self-government/ autonomy/ (P) |  |
| 自動 | (adj-na,n) automatic/ self-motion/ (P) |  |
| 自慢 | (n,vs) pride/ boast/ (P) |  |
| 不自由 | (adj-na,n) discomfort/ disability/ inconvenience/ destitution/ (P) |  |
| 自ら | (n-adv,n) for one's self/ personally/ (P) |  |
| Level 1 vocabulary |
| 自ずから | (adv) naturally/ as a matter of course/ (P) |  |
| 自我 | (n) self/ the ego/ (P) |  |
| 自覚 | (n) self-conscious/ (P) |  |
| 自己 | (n) self/ oneself/ (P) |  |
| 自在 | (adj-na,n) freely/ at will |  |
| 自主 | (n) independence/ autonomy/ (P) |  |
| 自首 | (n,vs) surrender/ give oneself up/ (P) |  |
| 自尊心 | (n) self-respect/ conceit/ (P) |  |
| 自転 | (n) rotation/ spin |  |
| 自動詞 | (n) intransitive verb (no direct obj) |  |
| 自立 | (n,vs) independence/ self-reliance/ (P) |  |
| 独自 | (adj-na,n) original/ peculiar/ characteristic/ (P) |  |