unfit vs unhealthy

unfit and unhealthy both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unfit	No	Yes	Yes	No
unhealthy	No	Yes	No	No

unfit (adjective)	unhealthy (adjective)
not in good physical or mental condition; out of condition	not in or exhibiting good health in body or mind
below the required standards for a purpose	not conducive to good health
physically unsound or diseased	detrimental to health

unfit (verb)	unhealthy (verb)
make unfit or unsuitable