point woman vs adult female

point woman and adult female both are nouns.

Word	Noun	Adjective	Verb	Adverb
point woman	Yes	No	No	No
adult female	Yes	No	No	No

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

Other hypernyms of point woman include leader, woman.

point woman (noun)	adult female (noun)
a woman who is the forefront of an important enterprise	an adult female person (as opposed to a man)