unsnarl vs snarl

unsnarl is not a noun while snarl is a noun.

Word	Noun	Adjective	Verb	Adverb
unsnarl	No	No	Yes	No
snarl	Yes	No	Yes	No

unsnarl (noun)	snarl (noun)
	something jumbled or confused
	a vicious angry growl
	an angry vicious expression

unsnarl (verb)	snarl (verb)
extricate from entanglement	make more complicated or confused through entanglements
	utter in an angry, sharp, or abrupt tone
	make a snarling noise or move with a snarling noise
	twist together or entwine into a confusing mass