epitaph vs remembrance

epitaph and remembrance both are nouns.

Word	Noun	Adjective	Verb	Adverb
epitaph	Yes	No	No	No
remembrance	Yes	No	No	No

As nouns, remembrance is a hypernym of epitaph; that is, remembrance is a word with a broader meaning than epitaph:

Other hypernyms of epitaph include commemoration, memorial.

epitaph (noun)	remembrance (noun)
an inscription on a tombstone or monument in memory of the person buried there	the ability to recall past occurrences
a summary statement of commemoration for a dead person	a recognition of meritorious service