sex vs premature ejaculation

sex and premature ejaculation both are nouns.

Word	Noun	Adjective	Verb	Adverb
sex	Yes	No	Yes	No
premature ejaculation	Yes	No	No	No

sex (noun)	premature ejaculation (noun)
activities associated with sexual intercourse	ejaculation during the early stages of sexual excitement or soon after the insertion of the penis into the vagina
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)	premature ejaculation (verb)
tell the sex (of young chickens)
to evoke sexual feelings