sensualism vs sexual desire

sensualism and sexual desire both are nouns.

Word	Noun	Adjective	Verb	Adverb
sensualism	Yes	No	No	No
sexual desire	Yes	No	No	No

As nouns, sexual desire is a hypernym of sensualism; that is, sexual desire is a word with a broader meaning than sensualism:

Other hypernyms of sensualism include concupiscence, eros, physical attraction.

sensualism (noun)	sexual desire (noun)
(philosophy) the ethical doctrine that feeling is the only criterion for what is good	a desire for sexual intimacy
desire for sensual pleasures