underwriter vs insurance agent

underwriter and insurance agent both are nouns.

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

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

Other synonyms of underwriter include general agent, insurance broker.

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