| dwindle(verb, drop, close, end, cut) |
| expend(verb, drop, give, increase, remove) |
| leak(noun, verb, clear, discharge, escape) |
| outlet(noun, opening, exit, fan, channel) |
| percolate(verb, drop, discharge, strain, clean) |
| pour(noun, verb, drive, reject, discharge) |
| pump(noun, verb, move, increase, drive) |
| waste(verb, drop, give, end, remove) |
| cesspool(noun, uncleanness, off, gutter, sewer) |
| channel(noun, race, ditch, conduit, trench) |
| culvert(noun, ditch, off, conduit) |
| draw off(verb, expression, phrasal verb, drive, open) |
| drip(noun, verb, drop, discharge, descend) |
| duct(noun, opening, channel, off, vent) |
| run out(verb, expression, phrasal verb, end, clear) |
| sewer(noun, ditch, channel, uncleanness, off) |
| spend(verb, drop, give, increase, remove) |
| spout(noun, verb, discharge, rush, opening) |
| trench(noun, ditch, channel, off, gutter) |
| void(verb, clear, reject, discharge, escape) |