| drain(verb, open, fail, draw, strain) |
| droop(verb, drop, decline, drive, fall) |
| enervate(verb, worry, fail, strain, annoy) |
| fail(verb, strain, annoy, irritate, depress) |
| flag(verb, fail, strain, annoy, depress) |
| go into(verb, expression, turn, produce, clean) |
| grub(verb, turn, produce, clean, discover) |
| nauseate(verb, worry, fail, strain, annoy) |
| overwork(verb, worry, fail, strain, annoy) |
| pit(noun, verb, drive, turn, produce) |
| quarry(verb, turn, produce, clean, discover) |
| tax(verb, worry, fail, strain, annoy) |
| undermine(verb, turn, produce, clean, discover) |
| wear down(verb, expression, phrasal verb, worry, fail) |
| break up(verb, expression, turn, produce, clean) |
| bulldoze(verb, turn, produce, clean, discover) |
| burden(noun, verb, strain, annoy, depress) |
| cat(verb, turn, produce, clean, discover) |
| cause ennui(verb, expression, annoy, depress, exhaust) |
| channel(verb, turn, produce, clean, discover) |