natural endowment vs endowment

natural endowment and endowment both are nouns.

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

As nouns, natural endowment and endowment are synonyms defined as:

Other synonyms of natural endowment include gift, talent.

natural endowment (noun)	endowment (noun)
natural abilities or qualities	the act of endowing with a permanent source of income
	natural abilities or qualities
	the capital that provides income for an institution