bozo vs adult male

bozo and adult male both are nouns.

Word	Noun	Adjective	Verb	Adverb
bozo	Yes	No	No	No
adult male	Yes	No	No	No

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

Other hypernyms of bozo include man.

bozo (noun)	adult male (noun)
an informal term for a youth or man	an adult person who is male (as opposed to a woman)
a man who is a stupid incompetent fool