investors club vs social club

investors club and social club both are nouns.

Word	Noun	Adjective	Verb	Adverb
investors club	Yes	No	No	No
social club	Yes	No	No	No

As nouns, social club is a hypernym of investors club; that is, social club is a word with a broader meaning than investors club:

investors club: a club of small investors who buy and sell securities jointly
social club: a formal association of people with similar interests

Other hypernyms of investors club include club, gild, guild, lodge, order, society.

investors club (noun)	social club (noun)
a club of small investors who buy and sell securities jointly	a formal association of people with similar interests