agent bank vs banking concern

agent bank and banking concern both are nouns.

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

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

agent bank: a bank named by a lending syndicate of several banks to protect their interests
banking concern: a financial institution that accepts deposits and channels the money into lending activities

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

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

agent bank: a bank that acts as an agent for a foreign bank
banking concern: a financial institution that accepts deposits and channels the money into lending activities

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

agent bank (noun)	banking concern (noun)
a bank named by a lending syndicate of several banks to protect their interests	a financial institution that accepts deposits and channels the money into lending activities
a bank that acts as an agent for a foreign bank