scissure vs chap

scissure and chap both are nouns.

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

As nouns, chap is a hyponym of scissure; that is, chap is a word with a more specific, narrower meaning than scissure:

scissure (noun)	chap (noun)
a long narrow cleft	(usually in the plural) leather leggings without a seat; joined by a belt; often have flared outer flaps; worn over trousers by cowboys to protect their legs
	a crack in a lip caused usually by cold
	a boy or man
	a long narrow depression in a surface

scissure (verb)	chap (verb)
	crack due to dehydration