| term | pronunciation | English |
|---|
| 適当 | てきとう | fitness, suitability |
| 快適 | かいてき | pleasant, agreeable, comfortable |
| 適確 | てきかく | precise, accurate |
| 適する | てきする | to fit, to suit (vs-s) |
| 適切 | てきせつ | pertinent, appropriate, adequate, relevance |
| 適度 | てきど | moderate |
| 適用 | てきよう | applying |
| 悠悠自適の生活 | ゆうゆうじてきのせいかつ | life free from worldly cares |
| 最適 | さいてき | optimum, the most suitable |
| 適宜 | てきぎ | suitable, appropriate; appropriately |
| 適応 | てきおう | adaptation, accommodation, conformity |
| 適時 | てきじ | timely, opportune |
| 適格 | てきかく, てっかく | eligible, qualified, competent |
| 適正 | てきせい | reasonable, suitable |
| 適法 | てきほう | legality |
| 適齢 | てきれい | suitable age |