garbage vs receptacle

garbage and receptacle both are nouns.

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

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

garbage (noun)	receptacle (noun)
a receptacle where waste can be discarded	a container that is used to put or keep things in
a worthless message	an electrical (or electronic) fitting that is connected to a source of power and equipped to receive an insert
food that is discarded (as from a kitchen)	enlarged tip of a stem that bears the floral parts