pantheon vs memorial

pantheon and memorial both are nouns.

Word	Noun	Adjective	Verb	Adverb
pantheon	Yes	No	No	No
memorial	Yes	No	No	No

As nouns, memorial is a hypernym of pantheon; that is, memorial is a word with a broader meaning than pantheon:

Other hypernyms of pantheon include monument.

pantheon (noun)	memorial (noun)
(antiquity) a temple to all the gods	a structure erected to commemorate persons or events
a monument commemorating a nation's dead heroes	a recognition of meritorious service
all the gods of a religion	a written statement of facts submitted in conjunction with a petition to an authority