| Word | Reading | Meaning | Level |
| 強い | つよい | strong | N5 |
| 強く | つよく | strongly | N5 |
| 強風 | きょうふう | strong wind, gale | N4 |
| 強調 | きょうちょう | emphasis, stressing | N3 |
| 補強 | ほきょう | reinforcement, bracing | N3 |
| 強靭 | きょうじん | tough, strong | N3 |
| 強制捜査 | きょうせいそうさ | compulsory investigation, a raid | N2 |
| 強要 | きょうよう | forcing, coercion | N2 |
| 粘り強く | ねばりづよく | tenaciously, persistently | N1 |
| 強襲 | きょうしゅう | assault, heavy raid | N1 |
| 強制執行 | きょうせいしっこう | compulsory execution | N1 |
| 資本増強 | しほんぞうきょう | capital reinforcement | N1 |
| 強制決済 | きょうせいけっさい | forced settlement, closeout | N1 |
| 基盤強化 | きばんきょうか | foundation strengthening | N1 |
| 監査強化 | かんさきょうか | strengthening of audits | N1 |
| 査察強化 | ささつきょうか | reinforcement of scrutiny | N1 |
| 粘り強さ | ねばりづよさ | tenacity, perseverance | N1 |
| 監視強化 | かんしきょうか | reinforced surveillance | N1 |
| 強火の遠火 | つよびのとおび | strong heat from a distant radiant source | N1 |
| 滋養強壮 | じようきょうそう | nourishing restorative tonic effect | N1 |
| 遠火強火 | とおびつよび | intense radiant thermal energy from a distance | N1 |
| 強肴 | しいざかな | substantial culinary offering accompanying sake | N1 |