lead bank vs agent bank

lead bank and agent bank both are nouns.

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

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

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

lead bank (noun)	agent 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