narcolepsy vs narcoleptic

narcolepsy and narcoleptic both are nouns.

Word	Noun	Adjective	Verb	Adverb
narcolepsy	Yes	No	No	No
narcoleptic	Yes	Yes	No	No

narcolepsy (noun)	narcoleptic (noun)
a sleep disorder characterized by sudden and uncontrollable episodes of deep sleep	a soporific drug that produces an uncontrollable desire to sleep
	a person who has narcolepsy

narcolepsy (adjective)	narcoleptic (adjective)
	of or relating to narcolepsy