87 entries under opening topic. ×

10
gash(noun, break, cut, mark, crack)
10
rip(noun, verb, break, split)
10
slot(noun, verb, break, cut, clear)
9
tear(noun, verb, break, cut, crack)
8
division(noun, break, crack, split, link)
8
incision(noun, cut, mark, scratch)
8
schism(noun, break, help, crack, split)
8
separation(noun, break, crack, split, division)
6
divide(noun, verb, break, breach)
6
gorge(noun, break, cut, crack)
6
lacuna(noun, break, cut, crack)
6
leak(noun, escape, interval, outflow)
6
notch(noun, verb, break, cut, mark)
6
ravine(noun, break, crack, breach)
6
slash(noun, break, cut, split)
4
caesura(noun, break, breach, hole)
4
chip(noun, break, tear, scratch)
4
hiatus(noun, break, crack, split)
4
perforation(noun, break, cut, crack, split)
3
canyon(noun, break, crack, breach)
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APASmart Define. (2015). fissure thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/fissure/thesaurus/synonyms
ChicagoSmart Define. 2015. "fissure thesaurus" https://smartdefine.org/fissure/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, fissure thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/fissure/thesaurus/synonyms>.
MLASmart Define. "fissure thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/fissure/thesaurus/synonyms>