geography vs topography

geography and topography both are nouns.

Word	Noun	Adjective	Verb	Adverb
geography	Yes	No	No	No
topography	Yes	No	No	No

As nouns, topography is a hyponym of geography; that is, topography is a word with a more specific, narrower meaning than geography:

geography: study of the earth's surface; includes people's responses to topography and climate and soil and vegetation
topography: precise detailed study of the surface features of a region

Other hyponyms of geography include physical geography, physiography, economic geography.

geography (noun)	topography (noun)
study of the earth's surface; includes people's responses to topography and climate and soil and vegetation	the configuration of a surface and the relations among its man-made and natural features
	precise detailed study of the surface features of a region