disparagement vs mephitis

disparagement and mephitis both are nouns.

Word	Noun	Adjective	Verb	Adverb
disparagement	Yes	No	No	No
mephitis	Yes	No	No	No

disparagement (noun)	mephitis (noun)
the act of speaking contemptuously of	a distinctive odor that is offensively unpleasant
a communication that belittles somebody or something	a poisonous or foul smelling gas emitted from the earth