36 entries under opening topic. ×
| cut(noun, break, crack, void) | |
| depression(noun, break, cut, crack) | |
| dip(noun, break, cut, crack) | |
| excavation(noun, break, cut, crack) | |
| fissure(noun, break, cut, crack) | |
| fontanel | |
| fracture(noun, break, cut, crack) | |
| gap(noun, break, cut, crack) | |
| hollow(noun, break, cut, crack) | |
| outlet(noun, break, cut, crack) | |
| perforation(noun, break, cut, crack) | |
| pocket(noun, break, cut, crack) | |
| void(noun, break, cut, crack) | |
| puncture | |
| slot | |
| transforation |
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| APA | Smart Define. (2015). keyhole thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/keyhole/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "keyhole thesaurus" https://smartdefine.org/keyhole/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, keyhole thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/keyhole/thesaurus/synonyms>. |
| MLA | Smart Define. "keyhole thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/keyhole/thesaurus/synonyms> |