sex vs lust

sex and lust both are nouns.

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

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