relax vs loose

relax is not an adjective while loose is an adjective.

Word	Noun	Adjective	Verb	Adverb
relax	No	No	Yes	No
loose	No	Yes	Yes	Yes

As verbs, loose is a hypernym of relax; that is, loose is a word with a broader meaning than relax:

Other hypernyms of relax include loosen.

As verbs, relax and loose are synonyms defined as:

Other synonyms of relax include loosen.

relax (adjective)	loose (adjective)
	not tight; not closely constrained or constricted or constricting
	not compact or dense in structure or arrangement
	not affixed
	(of textures) full of small openings or gaps
	not literal
	lacking a sense of restraint or responsibility
	not tense or taut
	casual and unrestrained in sexual behavior
	emptying easily or excessively
	(of a ball in sport) not in the possession or control of any player
	not officially recognized or controlled
	not carefully arranged in a package
	having escaped, especially from confinement

relax (verb)	loose (verb)
become less tense, rest, or take one's ease	become loose or looser or less tight
cause to feel relaxed	make loose or looser
make less taut	turn loose or free from restraint
become loose or looser or less tight	grant freedom to; free from confinement
make less active or fast
become less severe or strict
make less severe or strict
become less tense, less formal, or less restrained, and assume a friendlier manner

relax (adverb)	loose (adverb)
	without restraint