89 entries under opening topic. ×

4
rift(noun, break, breach, void)
4
socket(noun, break, area, retreat)
4
vacuity(noun, break, area, impression)
3
break(noun, cut, breach, space)
3
cut(noun, break, crack, depression, score)
3
fissure(noun, break, cut, crack)
3
hiatus(noun, break, breach, space)
3
hollowness(noun, void, hollow, emptiness)
3
interval(noun, break, breach, space)
3
orifice(noun, break, cut, breach)
2
arroyo(noun, break, breach, void)
2
box(noun, space, hollow, room)
2
canyon(noun, break, breach, hole)
2
defile(noun, break, breach, hole)
2
foramen(noun, break, cut, crack)
2
fracture(noun, break, cut, crack)
2
gorge(noun, break, cut, crack)
2
gulch(noun, break, breach, void)
2
gully(noun, break, breach, hole)
2
mouth(noun, breach, hole, gap)
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APASmart Define. (2015). cavity thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/cavity/thesaurus/synonyms
ChicagoSmart Define. 2015. "cavity thesaurus" https://smartdefine.org/cavity/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, cavity thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/cavity/thesaurus/synonyms>.
MLASmart Define. "cavity thesaurus" 17 December 2015. Web. 25 September 2026. <https://smartdefine.org/cavity/thesaurus/synonyms>