impaired vs dyslexic

impaired is not a noun while dyslexic is a noun.

Word	Noun	Adjective	Verb	Adverb
impaired	No	Yes	No	No
dyslexic	Yes	Yes	No	No

impaired (noun)	dyslexic (noun)
	a person who has dyslexia

impaired (adjective)	dyslexic (adjective)
diminished in strength, quality, or utility	of or relating to or symptomatic of dyslexia
mentally or physically unfit	having impaired ability to comprehend written words usually associated with a neurologic disorder