lust vs sex

lust and sex both are nouns.

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

lust (noun)	sex (noun)
self-indulgent sexual desire (personified as one of the deadly sins)	activities associated with sexual intercourse
a strong sexual desire	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

lust (verb)	sex (verb)
have a craving, appetite, or great desire for	tell the sex (of young chickens)
	to evoke sexual feelings