epigraphy vs paleography

epigraphy and paleography both are nouns.

Word	Noun	Adjective	Verb	Adverb
epigraphy	Yes	No	No	No
paleography	Yes	No	No	No

As nouns, paleography is a hypernym of epigraphy; that is, paleography is a word with a broader meaning than epigraphy:

epigraphy: the study of ancient inscriptions
paleography: the study of ancient forms of writing (and the deciphering of them)

epigraphy (noun)	paleography (noun)
the study of ancient inscriptions	the study of ancient forms of writing (and the deciphering of them)