disparagement vs obtuse

disparagement is a noun but obtuse is not a noun.

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

disparagement (noun)	obtuse (noun)
the act of speaking contemptuously of
a communication that belittles somebody or something

disparagement (adjective)	obtuse (adjective)
	of an angle; between 90 and 180 degrees
	(of a leaf shape) rounded at the apex
	slow to learn or understand; lacking intellectual acuity
	lacking in insight or discernment