patient vs alexic

patient and alexic both are nouns.

Word	Noun	Adjective	Verb	Adverb
patient	Yes	Yes	No	No
alexic	Yes	Yes	No	No

As nouns, alexic is a hyponym of patient; that is, alexic is a word with a more specific, narrower meaning than patient:

patient (noun)	alexic (noun)
the semantic role of an entity that is not the agent but is directly involved in or affected by the happening denoted by the verb in the clause	a person with alexia
a person who requires medical care

patient (adjective)	alexic (adjective)
enduring trying circumstances with even temper or characterized by such endurance	of or relating to or symptomatic of alexia