circular file vs wastepaper basket

circular file and wastepaper basket both are nouns.

Word	Noun	Adjective	Verb	Adverb
circular file	Yes	No	No	No
wastepaper basket	Yes	No	No	No

As nouns, circular file and wastepaper basket are synonyms defined as:

circular file and wastepaper basket: a container with an open top; for discarded paper and other rubbish

Other synonyms of circular file include waste-paper basket, waste basket, wastebasket.

circular file (noun)	wastepaper basket (noun)
a container with an open top; for discarded paper and other rubbish	a container with an open top; for discarded paper and other rubbish