| Subject | English | Japanese |
| gen. | decayed knot | 腐朽節 |
| gen. | n decayed leaves | 朽葉 |
| gen. | n decayed leaves | 朽ち葉 |
| gen. | decayed liquid | 廃液 (はいえき) |
| gen. | n adj-no decayed tooth | 齲歯 |
| gen. | n decayed tooth | 虫食い歯 |
| gen. | n decayed baby tooth | 味噌っ歯 |
| gen. | n adj-no decayed tooth | 齲 |
| gen. | n adj-no decayed tooth | 虫歯 ichi1 news1 nf17 |
| gen. | n decayed tree | 朽木 |
| gen. | n decayed tree | 朽ち木 |
| gen. | decayed vegetation odor | 枯草臭 |
| gen. | n decayed wood | 朽木 |
| gen. | n decayed wood | 朽ち木 |