| sap(verb, turn, produce, clean, weaken) |
| take up |
| action(verb, investigate, dig, immobilize, research) |
| avulse |
| break up(verb, expression, phrasal verb, turn, produce) |
| bulldoze(verb, turn, produce, clean, discover) |
| cat(verb, turn, produce, clean, discover) |
| channel(verb, turn, produce, clean, discover) |
| clean(verb, turn, produce, discover, find) |
| concave(verb, turn, produce, clean, discover) |
| depress(verb, turn, produce, clean, discover) |
| dig down(verb, expression, phrasal verb, turn, produce) |
| discover(verb, turn, produce, clean, find) |
| enter(verb, turn, produce, clean, discover) |
| examine(verb, action, investigate, dig, probe) |
| exhume(verb, turn, produce, clean, discover) |
| extract |
| ferret out(verb, expression, action, dig, burrow) |
| fork out(verb, expression, phrasal verb, turn, produce) |
| furrow |