garbage collector vs garbageman

garbage collector and garbageman both are nouns.

Word	Noun	Adjective	Verb	Adverb
garbage collector	Yes	No	No	No
garbageman	Yes	No	No	No

As nouns, garbage collector and garbageman are synonyms defined as:

garbage collector and garbageman: someone employed to collect and dispose of refuse

Other synonyms of garbage collector include dustman, garbage carter, garbage hauler, garbage man, refuse collector.

garbage collector (noun)	garbageman (noun)
someone employed to collect and dispose of refuse	someone employed to collect and dispose of refuse