geography vs earth science

geography and earth science both are nouns.

Word	Noun	Adjective	Verb	Adverb
geography	Yes	No	No	No
earth science	Yes	No	No	No

As nouns, earth science is a hypernym of geography; that is, earth science is a word with a broader meaning than geography:

geography: study of the earth's surface; includes people's responses to topography and climate and soil and vegetation
earth science: any of the sciences that deal with the earth or its parts

geography (noun)	earth science (noun)
study of the earth's surface; includes people's responses to topography and climate and soil and vegetation	any of the sciences that deal with the earth or its parts