desirability vs sex appeal

desirability and sex appeal both are nouns.

Word	Noun	Adjective	Verb	Adverb
desirability	Yes	No	No	No
sex appeal	Yes	No	No	No

As nouns, desirability and sex appeal are synonyms defined as:

Other synonyms of desirability include desirableness, oomph.

desirability (noun)	sex appeal (noun)
the quality of being worthy of desiring	attractiveness to the opposite sex
attractiveness to the opposite sex