vilifier vs defamer

vilifier and defamer both are nouns.

Word	Noun	Adjective	Verb	Adverb
vilifier	Yes	No	No	No
defamer	Yes	No	No	No

As nouns, vilifier and defamer are synonyms defined as:

vilifier and defamer: one who attacks the reputation of another by slander or libel

Other synonyms of vilifier include backbiter, libeler, maligner, slanderer, traducer.

vilifier (noun)	defamer (noun)
one who attacks the reputation of another by slander or libel	one who attacks the reputation of another by slander or libel