circular vs broadsheet

circular and broadsheet both are nouns.

Word	Noun	Adjective	Verb	Adverb
circular	Yes	Yes	No	No
broadsheet	Yes	No	No	No

As nouns, circular and broadsheet are synonyms defined as:

circular and broadsheet: an advertisement (usually printed on a page or in a leaflet) intended for wide distribution

Other synonyms of circular include bill, broadside, flier, flyer, handbill, throwaway.

circular (noun)	broadsheet (noun)
an advertisement (usually printed on a page or in a leaflet) intended for wide distribution	an advertisement (usually printed on a page or in a leaflet) intended for wide distribution

circular (adjective)	broadsheet (adjective)
having the shape or form of a circle
describing a circle; moving in a circle