| lapse(verb, drop, decline, fall, fail) |
| leak |
| leak away |
| lessen(verb, drop, decline, fall, fail) |
| lose it(verb, expression, phrasal verb, decline, fail) |
| lose quality(verb, expression, decline, fail, lower) |
| lose value(verb, expression, drop, decline, fall) |
| lower(verb, drop, decline, fall, fail) |
| mar(verb, decline, weaken, degenerate, deteriorate) |
| molder(verb, stain, better, decay, thrive) |
| pervert(verb, decline, fail, lower, weaken) |
| pine(verb, drop, fall, fail, diminish) |
| putrefy(verb, stain, better, decay, disintegrate) |
| reach the depths(expression, idiom) |
| recede(verb, drop, decline, fall, fail) |
| regress(verb, decline, weaken, degenerate, deteriorate) |
| relapse(verb, drop, fall, fail, diminish) |
| retrograde(verb, drop, decline, fall, fail) |
| retrogress(verb, decline, weaken, degenerate, deteriorate) |
| return(verb, drop, fall, fail, diminish) |