elder vs dean

elder and dean both are nouns.

Word	Noun	Adjective	Verb	Adverb
elder	Yes	Yes	No	No
dean	Yes	No	No	No

As nouns, dean is a hyponym of elder; that is, dean is a word with a more specific, narrower meaning than elder:

Other hyponyms of elder include doyen, doyenne, senpai.

elder (noun)	dean (noun)
a person who is older than you are	an administrator in charge of a division of a university or college
any of various church officers	(Roman Catholic Church) the head of the College of Cardinals
any of numerous shrubs or small trees of temperate and subtropical Northern Hemisphere having white flowers and berrylike fruit	a man who is the senior member of a group

elder (adjective)	dean (adjective)
used of the older of two persons of the same name especially used to distinguish a father from his son