nymphomaniac vs perv

nymphomaniac and perv both are nouns.

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

As nouns, perv is a hypernym of nymphomaniac; that is, perv is a word with a broader meaning than nymphomaniac:

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

Other hypernyms of nymphomaniac include degenerate, deviant, deviate, perve, pervert.

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

nymphomaniac (adjective)	perv (adjective)
(used of women) affected with excessive sexual desire

nymphomaniac (verb)	perv (verb)
	look at with amorous intentions