sex vs sex

sex and sex both are nouns.

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

sex (noun)	sex (noun)
activities associated with sexual intercourse	activities associated with sexual intercourse
the properties that distinguish organisms on the basis of their reproductive roles	the properties that distinguish organisms on the basis of their reproductive roles
all of the feelings resulting from the urge to gratify sexual impulses	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	either of the two categories (male or female) into which most organisms are divided

sex (verb)	sex (verb)
tell the sex (of young chickens)	tell the sex (of young chickens)
to evoke sexual feelings	to evoke sexual feelings