woman of the street vs woman

woman of the street and woman both are nouns.

Word	Noun	Adjective	Verb	Adverb
woman of the street	Yes	No	No	No
woman	Yes	No	No	No

As nouns, woman is a hypernym of woman of the street; that is, woman is a word with a broader meaning than woman of the street:

Other hypernyms of woman of the street include adult female.

woman of the street (noun)	woman (noun)
a woman who engages in sexual intercourse for money	women as a class
	an adult female person (as opposed to a man)
	a female person who plays a significant role (wife or mistress or girlfriend) in the life of a particular man