sex vs luxuria

sex and luxuria both are nouns.

Word	Noun	Adjective	Verb	Adverb
sex	Yes	No	Yes	No
luxuria	Yes	No	No	No

sex (noun)	luxuria (noun)
activities associated with sexual intercourse	self-indulgent sexual desire (personified as one of the deadly sins)
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)	luxuria (verb)
tell the sex (of young chickens)
to evoke sexual feelings