| intake(noun, hole, aperture, perforation, orifice) |
| cranny(noun, break, breach, hole, recess) |
| abyss(noun, break, breach, gulf, discontinuity) |
| aperture(noun, break, breach, hole, gulf) |
| breach(noun, break, hole, gulf, aperture) |
| break(noun, breach, hole, gulf, aperture) |
| cavity(noun, break, breach, gulf, discontinuity) |
| chasm(noun, break, breach, gulf, discontinuity) |
| chink(noun, break, breach, hole, gulf) |
| cleft(noun, break, breach, hole, gulf) |
| crack(noun, break, breach, hole, gulf) |
| crevice(noun, break, breach, hole, gulf) |
| discontinuity(noun, break, breach, gulf) |
| fissure(noun, break, breach, hole, gulf) |
| fracture(noun, break, breach, gulf, discontinuity) |
| gap(noun, break, breach, gulf, discontinuity) |
| gape(noun, break, breach, gulf, discontinuity) |
| gulf(noun, break, breach, discontinuity) |
| hiatus(noun, break, breach, gulf, discontinuity) |
| hole(noun, break, breach, gulf, aperture) |