endowment vs giving

endowment and giving both are nouns.

Word	Noun	Adjective	Verb	Adverb
endowment	Yes	No	No	No
giving	Yes	Yes	No	No

As nouns, giving is a hypernym of endowment; that is, giving is a word with a broader meaning than endowment:

Other hypernyms of endowment include gift.

endowment (noun)	giving (noun)
the act of endowing with a permanent source of income	the act of giving
natural abilities or qualities	disposing of property by voluntary transfer without receiving value in return
the capital that provides income for an institution	the imparting of news or promises etc.

endowment (adjective)	giving (adjective)
	given or giving freely