| chink(noun, break, cut, crack, opening) |
| cleft(noun, break, cut, crack, opening) |
| crack(noun, break, cut, opening, breach) |
| cranny(noun, break, cut, opening, breach) |
| crevasse(noun, void, hole, hollow, gap) |
| deep(noun, hole, hollow, gap, pit) |
| dimple(noun, break, cut, depression, impression) |
| ditch(noun, well, hole, hollow, mine) |
| enclosed space(noun, expression, idiom) |
| gulf(noun, deep, opening, well, space) |
| impression(noun, depression, dip, pattern, hollow) |
| notch(noun, break, cut, crack, depression) |
| rent(noun, break, cut, crack, opening) |
| rift(noun, break, opening, breach, void) |
| socket(noun, break, area, retreat, opening) |
| vacuity(noun, break, area, impression, opening) |
| valley(noun, impression, dip, hollow, cup) |
| alveolus |
| break(noun, cut, opening, breach, space) |
| compartment(noun, sack, space, container, hole) |