37 entries under opening topic. ×

6
hole(noun, dump, shack, slum)
5
aperture(noun, break, cut, crack)
5
gap(noun, break, cut, crack)
4
cavity(noun, break, cut, crack)
3
pore(noun, skin)
3
vent(noun, break, cut, crack)
2
chasm(noun, break, cut, crack)
2
cleft(noun, break, cut, crack)
2
eyelet(noun, break, cut, crack)
2
hollow(noun, break, cut, crack)
2
outlet(noun, break, cut, crack)
2
perforation(noun, break, cut, crack)
2
slot
1
breach(noun, break, cut, crack)
1
chink(noun, break, cut, crack)
1
cranny(noun, break, cut, crack)
1
crater(noun, break, cut, crack)
1
cut(noun, break, crack, void)
1
depression(noun, break, cut, crack)
1
dimple(noun, break, cut, crack)
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APASmart Define. (2015). foramen thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/foramen/thesaurus/synonyms
ChicagoSmart Define. 2015. "foramen thesaurus" https://smartdefine.org/foramen/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, foramen thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/foramen/thesaurus/synonyms>.
MLASmart Define. "foramen thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/foramen/thesaurus/synonyms>