| Word | Reading | Meaning |
| 唯一 | ゆいいつ, ゆいつ | only, sole, unique |
| 唯 | ただ | ordinary, common, usual; free of charge; unaffected, as is, safe; only, merely, just, simply; but, however, nevertheless |
| 唯物論 | ゆいぶつろん | materialism |
| 唯でさえ | ただでさえ | even at the best of times, (even) under normal circumstances, in addition to |
| 史的唯物論 | してきゆいぶつろん | historical materialism |
| 唯一無二 | ゆいいつむに | one and only, unique |
| 唯我独尊 | ゆいがどくそん | self-conceit, self-centeredness, vainglory |
| 唯我論 | ゆいがろん | solipsism (phil.) |
| 唯今 | ただいま | Here I am, I'm home!; presently, right away, right now, just now |
| 唯心論 | ゆいしんろん | spiritualism, idealism, mentalism |