prostitute vs fancy woman

prostitute and fancy woman both are nouns.

Word	Noun	Adjective	Verb	Adverb
prostitute	Yes	No	Yes	No
fancy woman	Yes	No	No	No

As nouns, prostitute and fancy woman are synonyms defined as:

prostitute and fancy woman: a woman who engages in sexual intercourse for money

prostitute (noun)	fancy woman (noun)
a woman who engages in sexual intercourse for money	an adulterous woman; a woman who has an ongoing extramarital sexual relationship with a man
	a woman who engages in sexual intercourse for money

prostitute (verb)	fancy woman (verb)
sell one's body; exchange sex for money