insurance agent vs underwriter

insurance agent and underwriter both are nouns.

Word	Noun	Adjective	Verb	Adverb
insurance agent	Yes	No	No	No
underwriter	Yes	No	No	No

As nouns, insurance agent and underwriter are synonyms defined as:

Other synonyms of insurance agent include general agent, insurance broker.

insurance agent (noun)	underwriter (noun)
an agent who sells insurance	a financial institution that sells insurance
	a banker who deals chiefly in underwriting new securities
	an agent who sells insurance