agony uncle vs adult male

agony uncle and adult male both are nouns.

Word	Noun	Adjective	Verb	Adverb
agony uncle	Yes	No	No	No
adult male	Yes	No	No	No

As nouns, adult male is a hypernym of agony uncle; that is, adult male is a word with a broader meaning than agony uncle:

agony uncle: a male newspaper columnist who answers questions and offers advice on personal problems to people who write in
adult male: an adult person who is male (as opposed to a woman)

Other hypernyms of agony uncle include man, newspaper columnist.

agony uncle (noun)	adult male (noun)
a male newspaper columnist who answers questions and offers advice on personal problems to people who write in	an adult person who is male (as opposed to a woman)