ash bin vs garbage can

ash bin and garbage can both are nouns.

Word	Noun	Adjective	Verb	Adverb
ash bin	Yes	No	No	No
garbage can	Yes	No	No	No

As nouns, ash bin and garbage can are synonyms defined as:

Other synonyms of ash bin include ash-bin, ashbin, ashcan, dustbin, trash barrel, trash bin, trash can, wastebin.

ash bin (noun)	garbage can (noun)
a bin that holds rubbish until it is collected	a bin that holds rubbish until it is collected