dean vs academic administrator

dean and academic administrator both are nouns.

Word	Noun	Adjective	Verb	Adverb
dean	Yes	No	No	No
academic administrator	Yes	No	No	No

As nouns, academic administrator is a hypernym of dean; that is, academic administrator is a word with a broader meaning than dean:

dean (noun)	academic administrator (noun)
an administrator in charge of a division of a university or college	an administrator in a college or university
(Roman Catholic Church) the head of the College of Cardinals
a man who is the senior member of a group