disparagement vs retard

disparagement and retard both are nouns.

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

disparagement (noun)	retard (noun)
the act of speaking contemptuously of	a person of subnormal intelligence
a communication that belittles somebody or something

disparagement (verb)	retard (verb)
	lose velocity; move more slowly
	cause to move more slowly or operate at a slower rate
	slow the growth or development of
	be delayed