52 entries under opening topic. ×

1
secret place(noun, expression, break, hole)
1
vacancy(noun, slit)
1
cut(noun, break, crack, void)
1
depression(noun, break, cut, crack)
1
dimple(noun, break, cut, crack)
1
dip(noun, break, cut, crack)
1
embrasure(noun, break, hole, hollow)
1
excavation(noun, break, cut, crack)
1
eyelet(noun, break, cut, crack)
1
fissure(noun, break, cut, crack)
1
foramen(noun, break, cut, crack)
1
outlet(noun, break, cut, crack)
1
penetralia(noun, break, hole, hollow)
1
perforation(noun, break, cut, crack)
1
pocket(noun, break, cut, crack)
1
socket(noun, break, hole, hollow)
0
aperture(noun, break, cut, crack)
0
breach(noun, break, cut, crack)
0
byplace(noun, place, position, crack)
0
chasm(noun, break, cut, crack)
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APASmart Define. (2015). niche thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/niche/thesaurus/synonyms
ChicagoSmart Define. 2015. "niche thesaurus" https://smartdefine.org/niche/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, niche thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/niche/thesaurus/synonyms>.
MLASmart Define. "niche thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/niche/thesaurus/synonyms>