garbage collection vs trash collection

garbage collection and trash collection both are nouns.

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

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

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

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

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