slanderous vs slander

slanderous is not a noun while slander is a noun.

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

slanderous (noun)	slander (noun)
	an abusive attack on a person's character or good name
	words falsely spoken that damage the reputation of another

slanderous (adjective)	slander (adjective)
(used of statements) harmful and often untrue; tending to discredit or malign

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