sadist vs perve

sadist and perve both are nouns.

Word	Noun	Adjective	Verb	Adverb
sadist	Yes	No	No	No
perve	Yes	No	Yes	No

As nouns, perve is a hypernym of sadist; that is, perve is a word with a broader meaning than sadist:

sadist: someone who obtains pleasure from inflicting pain on others
perve: a person whose behavior deviates from what is acceptable especially in sexual behavior

Other hypernyms of sadist include degenerate, deviant, deviate, perv, pervert.

sadist (noun)	perve (noun)
someone who obtains pleasure from inflicting pain on others	a person whose behavior deviates from what is acceptable especially in sexual behavior

sadist (verb)	perve (verb)
	look at with amorous intentions