wastebin vs trash barrel

wastebin and trash barrel both are nouns.

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

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

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

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

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