free vs loose

free is a noun but loose is not a noun.

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

As adjectives, free and loose are synonyms defined as:

Other synonyms of free include liberal.

As adverbs, free and loose are synonyms defined as:

As verbs, free and loose are synonyms defined as:

Other synonyms of free include liberate, release, unloose, unloosen.

free (noun)	loose (noun)
people who are free

free (adjective)	loose (adjective)
not limited or hampered; not under compulsion or restraint	not tight; not closely constrained or constricted or constricting
not held in servitude	not compact or dense in structure or arrangement
unconstrained or not chemically bound in a molecule or not fixed and capable of relatively unrestricted motion	not affixed
not literal	(of textures) full of small openings or gaps
completely wanting or lacking	not literal
not fixed in position	lacking a sense of restraint or responsibility
costing nothing	not tense or taut
not taken up by scheduled activities	casual and unrestrained in sexual behavior
not occupied or in use	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

free (verb)	loose (verb)
make (assets) available	become loose or looser or less tight
let off the hook	make loose or looser
free or remove obstruction from	turn loose or free from restraint
remove or force out from a position	grant freedom to; free from confinement
release (gas or energy) as a result of a chemical reaction or physical decomposition
part with a possession or right
relieve from
grant freedom to; free from confinement
make (information) available for publication
free from obligations or duties
grant relief or an exemption from a rule or requirement to

free (adverb)	loose (adverb)
without restraint	without restraint