trash collection vs garbage collection

trash collection and garbage collection both are nouns.

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

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

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

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

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