sharing vs gift

sharing and gift both are nouns.

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

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

Other hyponyms of sharing include generosity, unselfishness, giving.

sharing (noun)	gift (noun)
a distribution in shares	the act of giving
sharing thoughts and feelings	natural abilities or qualities
having in common	something acquired without compensation
using or enjoying something jointly with others

sharing (adjective)	gift (adjective)
unselfishly willing to share with others

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