garbage pickup vs garbage collection

garbage pickup and garbage collection both are nouns.

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

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

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

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

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