| defection | 離反 |
| definition | 定義 |
| demolition | 取り壊し |
| depiction | 描写 |
| depletion | 枯渇 |
| deposition | 免職 |
| description | 描写 |
| destruction | 破壊 |
| detection | 発見 |
| detention | 引き留め |
| devotion | 献身 |
| digestion | 消化 |
| direction | 方向 |
| discretion | 思慮分別 |
| disposition | 気質、配置 |
| disruption | 分裂 |
| dissatisfaction | 不満 |
| dissolution | 分解 |
| distinction | 区別 |
| distortion | ゆがめること |
| distraction | 気を散らすこと |
| distribution | 配分 |
| dysfunction | 機能不全 |
| edition | 版 |
| election | 選挙 |
| emotion | 感情 |
| erection | 直立 |
| eruption | 噴火 |
| evolution | 進化 |
| exception | 例外 |
| execution | 実行 |
| exemption | 免除 |
| exertion | 努力 |
| exhaustion | 消耗 |
| exhibition | 展示会 |
| expedition | 遠征 |
| exposition | 博覧会 |
| extinction | 消すこと |
| extortion | 強奪 |
| extraction | 抜き取り |
| extradition | 引き渡し |
| faction | 派閥 |
| fiction | 創作 |
| fraction | 断片 |
| friction | 摩擦 |
| function | 機能 |
| imperfection | 不完全 |
| imposition | 課すこと |
| inception | 開始 |
| indigestion | 消化不良 |
語尾が「-tion」で終わる英単語一覧
