free vs relieve

free is a noun but relieve is not a noun.

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

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

Other hyponyms of free include excuse, exempt, let off, justify, wash one's hands.

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

Other hyponyms of free include cleanse, smooth, smooth out, clear, disinfest, disembody.

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

As verbs, free and relieve are synonyms defined as:

free and relieve: grant relief or an exemption from a rule or requirement to

Other synonyms of free include exempt.

free (noun)	relieve (noun)
people who are free

free (adjective)	relieve (adjective)
not limited or hampered; not under compulsion or restraint
not held in servitude
unconstrained or not chemically bound in a molecule or not fixed and capable of relatively unrestricted motion
not literal
completely wanting or lacking
not fixed in position
costing nothing
not taken up by scheduled activities
not occupied or in use

free (verb)	relieve (verb)
make (assets) available	provide physical relief, as from pain
let off the hook	provide relief for
free or remove obstruction from	alleviate or remove (pressure or stress) or make less oppressive
remove or force out from a position	relieve oneself of troubling information
release (gas or energy) as a result of a chemical reaction or physical decomposition	grant exemption or release to
part with a possession or right	lessen the intensity of or calm
relieve from	take by stealing
grant freedom to; free from confinement	free from a burden, evil, or distress
make (information) available for publication	save from ruin, destruction, or harm
free from obligations or duties	free someone temporarily from his or her obligations
grant relief or an exemption from a rule or requirement to	grant relief or an exemption from a rule or requirement to

free (adverb)	relieve (adverb)
without restraint