| ram(verb, drop, force, cut, beat) |
| reduce(verb, upset, drop, close, cut) |
| sewer(noun, thing, uncleanness) |
| sinkhole(noun, drop, decline, fall, depression) |
| slope(noun, verb, drop, decline, drive) |
| stab(verb, drop, force, cut, beat) |
| succumb(verb, drop, take, decline, fall) |
| thrust(verb, drop, force, cut, beat) |
| tumble(verb, drop, decline, increase, release) |
| vanish(verb, stop, drop, go, end) |
| break(verb, upset, go, cut, decline) |
| cesspit |
| come down(verb, expression, phrasal verb, settle, slip) |
| degrade(verb, upset, decline, reduce, destroy) |
| dissolve(verb, go, decline, fall, withdraw) |
| douse(verb, dip, plunge, flood, die) |
| drop down(verb, expression, phrasal verb, drop, decline) |
| evanesce(verb, go, decline, fall, withdraw) |
| evaporate(verb, drop, go, cut, decline) |
| go(verb, open, withdraw, fail, leave) |