flyer vs flier

flyer and flier both are nouns.

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

As nouns, flyer and flier are synonyms defined as:

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

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

As nouns, flyer and flier are synonyms defined as:

As nouns, flyer and flier are synonyms defined as:

Other synonyms of flyer include aeronaut, aviator.

flyer (noun)	flier (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 travels by air
someone who operates an aircraft	someone who operates an aircraft