| death(noun, drop, decrease, reduction, tumble) |
| decay(decrease, ebb, deflation) |
| decrescence(decrease, ebb, deflation, devolution) |
| defeat(noun, drop, decrease, reduction, tumble) |
| deflation(decrease, ebb) |
| degradation(noun, drop, decrease, reduction, tumble) |
| descent lowering(noun, expression, drop, decline, decrease) |
| destruction(noun, drop, decrease, reduction, tumble) |
| devolution(decrease, ebb, deflation) |
| disaster(noun, drop, decrease, reduction, tumble) |
| dive(noun, drop, decline, fall, decrease) |
| downfall(noun, drop, decrease, reduction, tumble) |
| drawing together(expression, decrease, ebb, deflation) |
| drop(noun, cut, decline, decrease, slip) |
| elision(decrease, ebb, deflation) |
| fading away(expression, decrease, ebb, deflation) |
| failure(noun, drop, decrease, reduction, tumble) |
| falloff(decrease, brace, devolution, cantilever) |
| free-fall |
| free fall |