| Subject | English | Japanese |
| gen. | exp uk if not ... then what is it? | でなくて何だろう |
| gen. | n what if | たられば (as in What If stories) |
| gen. | n what if | タラレバ (as in What If stories) |
| gen. | conj what if ...? | としたら |
| gen. | exp what if I am ..? | ですが何か |
| comp., MS | what-if analysis | what-if 分析 (The process of changing the values in cells to see how those changes affect the outcome of formulas on a worksheet. For example, varying the interest rate that is used in an amortization table to determine the amount of the payments) |