| rot(noun, verb, stop, break, dull) |
| decompose(verb, break, dull, beat, decline) |
| decay(verb, stop, break, dull, end) |
| disintegrate(verb, break, dull, beat, decline) |
| crumble(verb, stop, break, dull, end) |
| break down(verb, expression, phrasal verb, stop, break) |
| go bad(verb, expression, idiom, stop, dull) |
| mold(decline, weaken, lessen, degenerate, deteriorate) |
| moulder(noun, verb, dull, sink, degenerate) |
| putrefy(verb, break, dull, beat, decline) |
| fade(verb, stop, end, decline, pass) |
| fester(verb, stain, decay, disintegrate, uncleanness) |
| spoil(verb, break, dull, decline, collapse) |
| turn(verb, break, decline, spoil, collapse) |
| perish(verb, beat, decline, crush, weaken) |
| rankle(verb, stop, end, pass, fall) |
| taint(verb, break, dull, spoil, collapse) |
| waste away(verb, expression, phrasal verb, decline, weaken) |
| break up(verb, expression, phrasal verb, break, beat) |
| corrupt(adjective, decay, decompose, putrefy) |