sex vs rouse

sex is a noun but rouse is not a noun.

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

sex (noun)	rouse (noun)
activities associated with sexual intercourse
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)	rouse (verb)
tell the sex (of young chickens)	cause to become awake or conscious
to evoke sexual feelings	cause to be agitated, excited, or roused
	force or drive out
	become active