unsnarl vs loosen

unsnarl and loosen both are verbs.

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

As verbs, loosen is a hyponym of unsnarl; that is, loosen is a word with a more specific, narrower meaning than unsnarl:

Other hyponyms of unsnarl include tease, tease apart, ravel, ravel out, unravel.

unsnarl (verb)	loosen (verb)
extricate from entanglement	become loose or looser or less tight
	make loose or looser
	make less dense
	disentangle and raise the fibers of
	cause to become loose
	become less severe or strict
	make less severe or strict