| soften(verb, calm, drop, control, cut) |
| subsidence(noun, drop, cut, retreat, wane) |
| subtract(verb, take, withdraw, deduct, subtract) |
| thin(verb, decline, reduce, fail, ease) |
| wither(verb, drop, cut, decline, reduce) |
| Fall |
| check(verb, stop, drop, control, cut) |
| compact(verb, close, diminish, restrict, crowd) |
| compression(noun, cut, depression, reduction, recession) |
| concentrate(verb, close, reduce, diminish, restrict) |
| constrict(verb, control, close, check, decline) |
| deduct(verb, reduce, withdraw, lower, trim) |
| deflate(verb, cut, check, decline, reduce) |
| degenerate(verb, drop, quiet, cut, check) |
| depletion(noun, want, need, loss, miss) |
| deterioration(noun, drop, decline, fall, collapse) |
| die away(verb, expression, phrasal verb, drop, decline) |
| droop(noun, verb, drop, cut, decline) |
| erode(verb, decline, reduce, ease, diminish) |
| fail(verb, drop, end, decline, fall) |