lead bank vs banking concern

lead bank and banking concern both are nouns.

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

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

lead 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 lead bank include bank, banking company, depository financial institution.

lead 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