| rupture(noun, break, crack, split) |
| cavity(noun, break, opening, breach) |
| hiatus(noun, break, crack, split) |
| rent(noun, break, crack, split) |
| interstice(noun, break, crack, rest) |
| interval(noun, break, crack, split) |
| foramen(noun, break, crack, opening) |
| cranny(noun, break, crack, split) |
| discontinuity(noun, break, crack, rest) |
| lacuna(noun, break, crack, rest) |
| crater(noun, break, crack, opening) |
| defile(noun, break, crack, rest) |
| eyelet(noun, break, crack, opening) |
| hollow(noun, break, crack, rest) |
| arroyo(noun, break, crack, rest) |
| canyon(noun, break, crack, rest) |
| clove(noun, break, crack, rest) |
| depression(noun, break, crack, opening) |
| dimple(noun, break, crack, opening) |
| dip(noun, break, crack, opening) |