dyslexic vs someone

dyslexic and someone both are nouns.

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

As nouns, someone is a hypernym of dyslexic; that is, someone is a word with a broader meaning than dyslexic:

dyslexic: a person who has dyslexia
someone: a human being; person, singular, assertive existential pronoun; pronoun, person, singular; quantifier: assertive existential

Other hypernyms of dyslexic include individual, mortal, person, somebody, soul.

dyslexic (noun)	someone (noun)
a person who has dyslexia	a human being; person, singular, assertive existential pronoun; pronoun, person, singular; quantifier: assertive existential

dyslexic (adjective)	someone (adjective)
of or relating to or symptomatic of dyslexia
having impaired ability to comprehend written words usually associated with a neurologic disorder