| Word | Translation (Japanese) |
|---|---|
| officer | 役員 + Add Translation |
| official | 公式 + Add Translation |
| often | しばしば + Add Translation |
| oh | ああ + Add Translation |
| oil | 油 + Add Translation |
| ok | OK + Add Translation |
| old | 古い + Add Translation |
| on | に + Add Translation |
| once | 一回 + Add Translation |
| one | 1 + Add Translation |
| only | のみ + Add Translation |
| onto | 〜に + Add Translation |
| open | 開いた + Add Translation |
| operation | 操作 + Add Translation |
| opportunity | 機会 + Add Translation |
| option | オプション + Add Translation |
| or | または + Add Translation |
| order | 注文 + Add Translation |
| organization | 組織 + Add Translation |
| other | その他の + Add Translation |
| others | その他 + Add Translation |
| our | 私たちの + Add Translation |
| out | でる + Add Translation |
| outside | 外側 + Add Translation |
| over | オーバー + Add Translation |
