member bank vs banking concern

member bank and banking concern both are nouns.

Word	Noun	Adjective	Verb	Adverb
member bank	Yes	No	No	No
banking concern	Yes	No	No	No

As nouns, banking concern is a hypernym of member bank; that is, banking concern is a word with a broader meaning than member bank:

member bank: a bank that is a member of the Federal Reserve System
banking concern: a financial institution that accepts deposits and channels the money into lending activities

Other hypernyms of member bank include bank, banking company, depository financial institution.

member bank (noun)	banking concern (noun)
a bank that is a member of the Federal Reserve System	a financial institution that accepts deposits and channels the money into lending activities