working girl vs sex

working girl and sex both are nouns.

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

working girl (noun)	sex (noun)
a young woman who is employed	activities associated with sexual intercourse
a woman who engages in sexual intercourse for money	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

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