deviant vs nymphomaniac

deviant and nymphomaniac both are nouns.

Word	Noun	Adjective	Verb	Adverb
deviant	Yes	Yes	No	No
nymphomaniac	Yes	Yes	No	No

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

deviant: a person whose behavior deviates from what is acceptable especially in sexual behavior
nymphomaniac: a woman with abnormal sexual desires

deviant (noun)	nymphomaniac (noun)
a person whose behavior deviates from what is acceptable especially in sexual behavior	a woman with abnormal sexual desires

deviant (adjective)	nymphomaniac (adjective)
markedly different from an accepted norm	(used of women) affected with excessive sexual desire