| decay(noun, verb, break, dull, beat) |
| rot(noun, verb, break, dull, decline) |
| spoil(verb, break, dull, decline, hurt) |
| decompose(verb, break, dull, beat, decline) |
| disintegrate(verb, break, dull, beat, decline) |
| go bad(verb, expression, idiom, dull, decline) |
| turn(verb, break, decline, hurt, damage) |
| moulder(verb, deteriorate, decompose) |
| fester(verb, decline, idle, stall, inflamed) |
| corrupt(verb, adjective, hurt, dirty, decay) |
| deteriorate(verb, beat, decline, crush, weaken) |
| taint(verb, break, dull, ruin, harm) |
| go off(verb, expression, phrasal verb, spoil, decay) |
| crumble(verb, break, dull, beat, decline) |
| molder(verb, break, dull, beat, decline) |
| mortify(verb, decline, weaken, lessen, degenerate) |
| putresce(verb, decline, weaken, lessen, degenerate) |
| mold(decline, weaken, lessen, degenerate, deteriorate) |
| mould(verb, decompose) |
| perish(verb, beat, decline, crush, weaken) |