| cavity(noun, break, cut, crack, score) |
| hole(noun, depression, score, impression, opening) |
| hollow(noun, break, area, depression, score) |
| mine(noun, supply, well, hole, hollow) |
| ditch(noun, supply, drain, reserve, well) |
| quarry(noun, supply, reserve, deposit, mine) |
| diggings(noun, dig, revelation, mine) |
| shaft(noun, break, cut, crack, supply) |
| depression(noun, break, impression, drain, well) |
| trench(noun, supply, score, drain, reserve) |
| burrow(noun, mine, quarry, digging) |
| mining(noun, mine, quarry, digging) |
| trough(noun, drain, dip, ditch, bottom) |
| cut(noun, break, crack, score, drain) |
| removal(noun, mine, extraction, quarry) |
| unearthing(noun, mine, quarry, digging) |
| furrow(noun, score, drain, scratch, ditch) |
| blasting(noun, mine, quarry, digging) |
| cutting(noun, mine, quarry, digging) |
| coalfield(noun, seam, coalmine) |