garbageman vs garbage collector

garbageman and garbage collector both are nouns.

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

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

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

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

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