| Word | Reading | Meaning |
| 忘年会 | ぼうねんかい | year-end party |
| 忘れ去る | わすれさる | to forget completely, to leave behind |
| 忘れ物 | わすれもの | lost article, something forgotten |
| 物忘れ | ものわすれ | forgetfulness |
| 置き忘れる | おきわすれる | to leave behind, to misplace, to forget |
| 忘却 | ぼうきゃく | lapse of memory, forgetfulness, oblivion |
| ど忘れ | どわすれ | lapse of memory, forgetting for a moment something one knows well, (something) slipping one's mind |
| ド忘れ | どわすれ | lapse of memory, forgetting for a moment something one knows well, (something) slipping one's mind |
| 忘る | わする | to lose something |
| 忘れっぽい | わすれっぽい | forgetful |