cosmography vs cosmographist

cosmography and cosmographist both are nouns.

Word	Noun	Adjective	Verb	Adverb
cosmography	Yes	No	No	No
cosmographist	Yes	No	No	No

cosmography (noun)	cosmographist (noun)
a representation of the earth or the heavens	a scientist knowledgeable about cosmography
the science that maps the general features of the universe; describes both heaven and earth (but without encroaching on geography or astronomy)