agent bank vs lead bank

agent bank and lead bank both are nouns.

Word	Noun	Adjective	Verb	Adverb
agent bank	Yes	No	No	No
lead bank	Yes	No	No	No

As nouns, agent bank and lead bank are synonyms defined as:

agent bank and lead bank: a bank named by a lending syndicate of several banks to protect their interests

agent bank (noun)	lead bank (noun)
a bank named by a lending syndicate of several banks to protect their interests	a bank named by a lending syndicate of several banks to protect their interests
a bank that acts as an agent for a foreign bank