| spoil(decline, weaken, degenerate, deteriorate, degrade) |
| subside(verb, break, drop, fail, collapse) |
| succumb(verb, break, drop, give, fail) |
| tear |
| tire(verb, break, drop, give, fail) |
| topple(verb, break, drop, fail, collapse) |
| undermine(decline, weaken, degenerate, deteriorate, degrade) |
| unravel(verb, fail) |
| vitiate(decline, weaken, degenerate, deteriorate, degrade) |
| weaken(verb, break, drop, give, decline) |
| weary(verb, break, drop, give, fail) |
| wilt(verb, break, drop, give, fail) |
| worsen(decline, weaken, degenerate, deteriorate, decay) |
| yield(verb, break, drop, give, fail) |
| accede(break, collapse, faint) |
| activity(divide, fragment, disintegrate) |
| adjourn(divide, fragment, disintegrate) |
| analyse |
| anatomize |
| assort |