sadomasochist vs deviant

sadomasochist and deviant both are nouns.

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

As nouns, deviant is a hypernym of sadomasochist; that is, deviant is a word with a broader meaning than sadomasochist:

sadomasochist: someone who enjoys both sadism and masochism
deviant: a person whose behavior deviates from what is acceptable especially in sexual behavior

Other hypernyms of sadomasochist include degenerate, deviate, perv, perve, pervert.

sadomasochist (noun)	deviant (noun)
someone who enjoys both sadism and masochism	a person whose behavior deviates from what is acceptable especially in sexual behavior

sadomasochist (adjective)	deviant (adjective)
	markedly different from an accepted norm