scissure vs crevice

scissure and crevice both are nouns.

Word	Noun	Adjective	Verb	Adverb
scissure	Yes	No	No	No
crevice	Yes	No	No	No

As nouns, scissure and crevice are synonyms defined as:

Other synonyms of scissure include cleft, crack, fissure.

scissure (noun)	crevice (noun)
a long narrow cleft	a long narrow cleft
	a long narrow depression in a surface