trash barrel vs dustbin

trash barrel and dustbin both are nouns.

Word	Noun	Adjective	Verb	Adverb
trash barrel	Yes	No	No	No
dustbin	Yes	No	No	No

As nouns, trash barrel and dustbin are synonyms defined as:

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

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

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