| decay(noun, drop, fall, failure, deterioration) |
| decaying |
| declension |
| declination |
| declivity(noun, drop, cut, decline, fall) |
| decrepitude(noun, drop, fall, failure, deterioration) |
| degeneracy(noun, drop, fall, failure, deterioration) |
| degeneration(noun, drop, fall, failure, deterioration) |
| depression(noun, drop, cut, decline, fall) |
| descent(noun, drop, decline, fall, decrease) |
| deterioration(noun, drop, decline, fall, decrease) |
| devolution(noun, drop, fall, decrease, failure) |
| diminution(noun, drop, cut, decline, fall) |
| dip(noun, drop, cut, decline, fall) |
| dissolution(noun, drop, fall, failure, deterioration) |
| dive(noun, drop, decline, fall, decrease) |
| downfall(noun, drop, decline, fall, decrease) |
| downslide(noun, drop, cut, decline, fall) |
| downswing(noun, drop, cut, decline, fall) |
| downtrend(noun, drop, cut, decline, fall) |