gift vs knack

gift and knack both are nouns.

Word	Noun	Adjective	Verb	Adverb
gift	Yes	No	Yes	No
knack	Yes	No	No	No

As nouns, knack is a hyponym of gift; that is, knack is a word with a more specific, narrower meaning than gift:

Other hyponyms of gift include bent, hang, flair, genius, raw talent.

gift (noun)	knack (noun)
the act of giving	a special way of doing something
natural abilities or qualities
something acquired without compensation

gift (verb)	knack (verb)
give as a present; make a gift of
give qualities or abilities to