patriarch vs Methuselah

patriarch and Methuselah both are nouns.

Word	Noun	Adjective	Verb	Adverb
patriarch	Yes	No	No	No
Methuselah	Yes	No	No	No

As nouns, Methuselah is a hypernym of patriarch; that is, Methuselah is a word with a broader meaning than patriarch:

Other hypernyms of patriarch include graybeard, greybeard, old man.

patriarch (noun)	Methuselah (noun)
the male head of family or tribe	(Old Testament) a patriarch (grandfather of Noah) who is said to have lived 969 years
any of the early biblical characters regarded as fathers of the human race	a man who is very old
title for the heads of the Eastern Orthodox Churches (in Istanbul and Alexandria and Moscow and Jerusalem)
a man who is older and higher in rank than yourself