internal revenue agent vs exciseman

internal revenue agent and exciseman both are nouns.

Word	Noun	Adjective	Verb	Adverb
internal revenue agent	Yes	No	No	No
exciseman	Yes	No	No	No

As nouns, internal revenue agent and exciseman are synonyms defined as:

internal revenue agent and exciseman: someone who collects taxes for the government

Other synonyms of internal revenue agent include collector of internal revenue, tax collector, taxman.

internal revenue agent (noun)	exciseman (noun)
someone who collects taxes for the government	someone who collects taxes for the government