investor vs capitalist

investor and capitalist both are nouns.

Word	Noun	Adjective	Verb	Adverb
investor	Yes	No	No	No
capitalist	Yes	Yes	No	No

As nouns, capitalist is a hypernym of investor; that is, capitalist is a word with a broader meaning than investor:

investor: someone who commits capital in order to gain financial returns
capitalist: a person who invests capital in a business (especially a large business)

investor (noun)	capitalist (noun)
someone who commits capital in order to gain financial returns	a person who invests capital in a business (especially a large business)
	a conservative advocate of capitalism

investor (adjective)	capitalist (adjective)
	favoring or practicing capitalism
	of or relating to capitalism or capitalists