ash bin vs trash barrel

ash bin and trash barrel both are nouns.

Word	Noun	Adjective	Verb	Adverb
ash bin	Yes	No	No	No
trash barrel	Yes	No	No	No

As nouns, ash bin and trash barrel are synonyms defined as:

ash bin and trash barrel: a bin that holds rubbish until it is collected

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

ash bin (noun)	trash barrel (noun)
a bin that holds rubbish until it is collected	a bin that holds rubbish until it is collected