sex vs street girl

sex and street girl both are nouns.

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

sex (noun)	street girl (noun)
activities associated with sexual intercourse	a prostitute who attracts customers by walking the streets
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)	street girl (verb)
tell the sex (of young chickens)
to evoke sexual feelings