flyer vs broadsheet

flyer and broadsheet both are nouns.

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

As nouns, flyer and broadsheet are synonyms defined as:

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

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

flyer (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
someone who travels by air
someone who operates an aircraft