muscleman vs bodybuilder

muscleman and bodybuilder both are nouns.

Word	Noun	Adjective	Verb	Adverb
muscleman	Yes	No	No	No
bodybuilder	Yes	No	No	No

As nouns, muscleman and bodybuilder are synonyms defined as:

muscleman and bodybuilder: someone who does special exercises to develop a brawny musculature

Other synonyms of muscleman include muscle-builder, muscle builder, musclebuilder.

muscleman (noun)	bodybuilder (noun)
a bully employed as a thug or bodyguard	someone who does special exercises to develop a brawny musculature
someone who does special exercises to develop a brawny musculature