| Subject | English | Japanese |
| gen. | exp I wonder if it is not | ではありますまいか (something, a thing) |
| gen. | exp if it is not ... | ざあ |
| gen. | exp if it is not ... | ざ after the -nai stem of a verb, usu. accompanied by まい, esp. as 〜ざあなるまい |
| obs. | exp if it is not ... | ずんば |
| obs. | exp if it is not ... | ずは after the -nai stem of a verb; ずは is now pronounced ずわ |
| obs. | exp if it is not ... | ずば |
| gen. | exp uk if it is not ... | 無ければ |
| gen. | exp uk if it is not there | 無ければ |
| gen. | exp uk if not ... then what is it? | でなくて何だろう |