trash vs garbage

trash and garbage both are nouns.

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

As nouns, garbage is a hypernym of trash; that is, garbage is a word with a broader meaning than trash:

Other hypernyms of trash include drivel.

trash (noun)	garbage (noun)
an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant	a receptacle where waste can be discarded
nonsensical talk or writing	a worthless message
worthless people	food that is discarded (as from a kitchen)
worthless material that is to be disposed of

trash (verb)	garbage (verb)
express a totally negative opinion of
dispose of (something useless or old)