| Word | Reading | Meaning |
| 警戒 | けいかい | vigilance, precaution, watch, lookout, altertness; to be vigilant, to be cautious, to guard (against) |
| 懲戒 | ちょうかい | discipline, punishment, reprimand |
| 戒告 | かいこく | admonition |
| 戒厳令 | かいげんれい | martial law |
| 戒名 | かいみょう | posthumous Buddhist name |
| 戒め | いましめ | caution, admonition, warning, lesson; prohibition, ban, commandment, precept; caution, guard; punishment; binding (with rope), binds |
| 自戒 | じかい | self-admonition |
| 哨戒 | しょうかい | patrolling |
| 戒律 | かいりつ | (religious) precept, discipline, commandment, mitzvah |
| 戒める | いましめる | to admonish, to warn, to remonstrate; to prohibit, to forbid; to be cautious; to punish |