mud vs slander

mud and slander both are nouns.

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

As nouns, slander is a hypernym of mud; that is, slander is a word with a broader meaning than mud:

mud (noun)	slander (noun)
slanderous remarks or charges	an abusive attack on a person's character or good name
water soaked soil; soft wet earth	words falsely spoken that damage the reputation of another

mud (verb)	slander (verb)
soil with mud, muck, or mire	charge falsely or with malicious intent; attack the good name and reputation of someone
plaster with mud