| quarry(verb, turn, produce, clean, discover) |
| throw(verb, ejection) |
| unearth(verb, move, action, turn, produce) |
| dig out(verb, expression, mine, scoop) |
| action(investigate, research, probe, burrow) |
| channel(verb, remove, turn, produce, clean) |
| clean(verb, clear, turn, produce, discover) |
| examine(action, investigate, research, probe) |
| exhume(verb, turn, produce, clean, discover) |
| ferret out(expression, action, probe, burrow) |
| go into(verb, expression, action, turn, produce) |
| inquire(action, investigate, research, probe) |
| investigate(verb, action, turn, produce, clean) |
| jump into(expression, action, probe, burrow) |
| leave no stone unturned(expression, idiom, action, burrow) |
| look into(expression, action, probe, burrow) |
| pick up |
| pit(verb, remove, turn, produce, clean) |
| probe(verb, action, turn, produce, clean) |
| prospect(action, investigate, research, probe) |