slanderer vs slander

slanderer and slander both are nouns.

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

slanderer (noun)	slander (noun)
one who attacks the reputation of another by slander or libel	an abusive attack on a person's character or good name
	words falsely spoken that damage the reputation of another

slanderer (verb)	slander (verb)
	charge falsely or with malicious intent; attack the good name and reputation of someone