loose woman vs woman

loose woman and woman both are nouns.

Word	Noun	Adjective	Verb	Adverb
loose woman	Yes	No	No	No
woman	Yes	No	No	No

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

Other hypernyms of loose woman include adulterer, fornicator, adult female.

loose woman (noun)	woman (noun)
a woman adulterer	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