| English definition | Japanese (romaji) | Hiragana | Katakana | Kanji |
| za | za | ざ | ||
| lots of coins or jewels | zakuzaku | |||
| sieve / strainer | zaru | |||
| tatami room | zashiki | |||
| magazine | zasshi | |||
| ze | ze | ぜ | ||
| not at all | zen zen | |||
| all / entire | zenbu | |||
| in total | zenbu de | |||
| not at all (with negative verb) | zenzen | |||
| zo | zo | ぞ | ||
| zu | zu | ず | ||
| very / extremely / surprisingly | zuibun | |||
| at a time / each | zutsu | ずつ | ||
| by far | zutto |
