| abatement(drop, decrease, retreat, wane) |
| backflow(drop, decrease, retreat, wane) |
| decay(drop, decrease, retreat, wane) |
| decrease(drop, retreat, wane) |
| degeneration(drop, decrease, retreat, wane) |
| depreciation(drop, decrease, retreat, wane) |
| deterioration(drop, decrease, retreat, wane) |
| diminution(drop, decrease, retreat, wane) |
| drop(decrease, retreat, wane) |
| dwindling(drop, decrease, retreat, wane) |
| fading away(expression, drop, decrease, retreat, wane) |
| flagging(drop, decrease, retreat, wane) |
| going out(expression, drop, decrease, retreat, wane) |
| lessening(drop, decrease, retreat, wane) |
| low tide(expression, drop, decrease, retreat, wane) |
| low water(expression, drop, decrease, retreat, wane) |
| outward flow(expression, drop, decrease, retreat, wane) |
| petering out(expression, drop, decrease, retreat, wane) |
| recession(drop, decrease, retreat, wane) |
| refluence(drop, decrease, retreat, wane) |