working girl vs trollop

working girl and trollop both are nouns.

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

As nouns, trollop is a hyponym of working girl; that is, trollop is a word with a more specific, narrower meaning than working girl:

working girl (noun)	trollop (noun)
a young woman who is employed	a woman adulterer
a woman who engages in sexual intercourse for money	a dirty untidy woman
	A sexually loose woman