| fail(verb, decline, reduce, halt, lower) |
| faint(verb, decline, reduce, fail, halt) |
| flag(verb, decline, reduce, fail, halt) |
| give way(verb, expression, decline, reduce, fail) |
| halt(verb, decline, reduce, fail, lower) |
| impair(verb, decline, reduce, fail, halt) |
| impoverish(verb, decline, reduce, fail, halt) |
| invalidate(verb, decline, reduce, fail, halt) |
| languish(verb, decline, reduce, fail, halt) |
| lessen(verb, decline, reduce, fail, halt) |
| limp(verb, decline, reduce, fail, halt) |
| lose(verb, decline, reduce, fail, halt) |
| lower(verb, decline, reduce, fail, halt) |
| minimize(verb, decline, reduce, fail, halt) |
| mitigate(verb, decline, reduce, fail, halt) |
| moderate(verb, decline, reduce, fail, halt) |
| reduce(verb, decline, fail, halt, lower) |
| relapse(verb, decline, reduce, fail, halt) |
| relax(verb, decline, reduce, fail, halt) |
| sap(verb, decline, reduce, fail, halt) |