sex vs sexual inversion

sex and sexual inversion both are nouns.

Word	Noun	Adjective	Verb	Adverb
sex	Yes	No	Yes	No
sexual inversion	Yes	No	No	No

sex (noun)	sexual inversion (noun)
activities associated with sexual intercourse	a term formerly used to mean taking on the gender role of the opposite sex
the properties that distinguish organisms on the basis of their reproductive roles
all of the feelings resulting from the urge to gratify sexual impulses
either of the two categories (male or female) into which most organisms are divided

sex (verb)	sexual inversion (verb)
tell the sex (of young chickens)
to evoke sexual feelings