gagman vs gagwriter

gagman and gagwriter both are nouns.

Word	Noun	Adjective	Verb	Adverb
gagman	Yes	No	No	No
gagwriter	Yes	No	No	No

As nouns, gagman and gagwriter are synonyms defined as:

gagman and gagwriter: someone who writes comic material for public performers

Other synonyms of gagman include gagster.

gagman (noun)	gagwriter (noun)
someone who writes comic material for public performers	someone who writes comic material for public performers
a comedian who uses gags