| abatement(noun, drop, decrease, retreat, wane) |
| abating(adjective, lessening, declining, shrinking, lowering) |
| backflow(noun, drop, decrease, retreat, wane) |
| decay(noun, verb, stop, drop, pass) |
| declining(adjective, lessening, shrinking, lowering, falling) |
| decrease(noun, verb, drop, reduce, lower) |
| decreasing(adjective, declining, shrinking, lowering, falling) |
| degeneration(noun, drop, decrease, retreat, wane) |
| depreciating(adjective, lessening, declining, shrinking, lowering) |
| depreciation(noun, drop, decrease, retreat, wane) |
| deterioration(noun, drop, decrease, retreat, wane) |
| diminishing(adjective, declining, shrinking, lowering, falling) |
| diminution(noun, drop, decrease, retreat, wane) |
| drop(noun, verb, decrease, retreat, wane) |
| dropping(adjective, declining, shrinking, lowering, falling) |
| dwindling(noun, adjective, drop, decrease, retreat) |
| dying down(expression, adjective, weakening, lessening, declining) |
| ebb(noun, verb, stop, drop, decline) |
| ebbing(adjective, weakening, lessening, declining, shrinking) |
| flagging(noun, adjective, drop, decrease, retreat) |