juryman vs adult female

juryman and adult female both are nouns.

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

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

Other hypernyms of juryman include juror, woman.

juryman (noun)	adult female (noun)
a male who serves (or waits to be called to serve) on a jury	an adult female person (as opposed to a man)