houri vs adult female

houri and adult female both are nouns.

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

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

Other hypernyms of houri include woman.

houri (noun)	adult female (noun)
a voluptuously beautiful young woman	an adult female person (as opposed to a man)
(Islam) one of the dark-eyed virgins of perfect beauty believed to live with the blessed in Paradise