wastebasket vs circular file

wastebasket and circular file both are nouns.

Word	Noun	Adjective	Verb	Adverb
wastebasket	Yes	No	No	No
circular file	Yes	No	No	No

As nouns, wastebasket and circular file are synonyms defined as:

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

Other synonyms of wastebasket include waste-paper basket, waste basket, wastepaper basket.

wastebasket (noun)	circular file (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