hussy vs adult female

hussy and adult female both are nouns.

Word	Noun	Adjective	Verb	Adverb
hussy	Yes	No	No	No
adult female	Yes	No	No	No

As nouns, adult female is a hypernym of hussy; that is, adult female is a word with a broader meaning than hussy:

Other hypernyms of hussy include adulterer, fornicator, woman.

hussy (noun)	adult female (noun)
a woman adulterer	an adult female person (as opposed to a man)
A sexually loose woman