slander vs mud

slander and mud both are nouns.

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

As nouns, mud is a hyponym of slander; that is, mud is a word with a more specific, narrower meaning than slander:

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

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