garbage vs trash

garbage and trash both are nouns.

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

As nouns, trash is a hyponym of garbage; that is, trash is a word with a more specific, narrower meaning than garbage:

garbage (noun)	trash (noun)
a receptacle where waste can be discarded	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 worthless message	nonsensical talk or writing
food that is discarded (as from a kitchen)	worthless people
	worthless material that is to be disposed of

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