flier vs flyer

flier and flyer both are nouns.

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

As nouns, flier and flyer are synonyms defined as:

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

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

As nouns, flier and flyer are synonyms defined as:

As nouns, flier and flyer are synonyms defined as:

Other synonyms of flier include aeronaut, aviator.

flier (noun)	flyer (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