slanderer vs vilifier

slanderer and vilifier both are nouns.

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

As nouns, slanderer and vilifier are synonyms defined as:

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

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

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