garbage pickup vs trash collection

garbage pickup and trash collection both are nouns.

Word	Noun	Adjective	Verb	Adverb
garbage pickup	Yes	No	No	No
trash collection	Yes	No	No	No

As nouns, garbage pickup and trash collection are synonyms defined as:

garbage pickup and trash collection: the collection and removal of garbage

Other synonyms of garbage pickup include garbage collection, trash pickup.

garbage pickup (noun)	trash collection (noun)
the collection and removal of garbage	the collection and removal of garbage