36 entries under opening topic. ×

5
eyelet(noun, break, cut, crack)
4
mousehole
4
peephole
3
hole(noun, dump, shack, slum)
3
loophole
3
pigeonhole
3
pinhole
3
porthole
3
vent(noun, break, cut, crack)
2
dimple(noun, break, cut, crack)
2
foramen(noun, break, cut, crack)
2
niche(noun, break, cut, crack)
1
aperture(noun, break, cut, crack)
1
breach(noun, break, cut, crack)
1
cavity(noun, break, cut, crack)
1
chasm(noun, break, cut, crack)
1
chink(noun, break, cut, crack)
1
cleft(noun, break, cut, crack)
1
cranny(noun, break, cut, crack)
1
crater(noun, break, cut, crack)
<12>
11 years ago|1.2k views|share |citing 
APASmart Define. (2015). keyhole thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/keyhole/thesaurus/synonyms
ChicagoSmart Define. 2015. "keyhole thesaurus" https://smartdefine.org/keyhole/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, keyhole thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/keyhole/thesaurus/synonyms>.
MLASmart Define. "keyhole thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/keyhole/thesaurus/synonyms>