sex vs nocturnal emission

sex and nocturnal emission both are nouns.

Word	Noun	Adjective	Verb	Adverb
sex	Yes	No	Yes	No
nocturnal emission	Yes	No	No	No

sex (noun)	nocturnal emission (noun)
activities associated with sexual intercourse	ejaculation during sleep (usually during a dream)
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)	nocturnal emission (verb)
tell the sex (of young chickens)
to evoke sexual feelings