cranny vs crevice

cranny and crevice both are nouns.

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

As nouns, cranny and crevice are synonyms defined as:

Other synonyms of cranny include chap, crack, fissure.

cranny (noun)	crevice (noun)
a small opening or crevice (especially in a rock face or wall)	a long narrow cleft
a long narrow depression in a surface	a long narrow depression in a surface