geography vs physiography

geography

noun
  • A description of the earth: a treatise or textbook on geography 

  • The study of the physical properties of the earth, including how humans affect and are affected by them. 

  • Any subject considered in terms of its physical distribution. 

  • The relative arrangement of the parts of anything. 

  • A territory: a geographical area as a field of business or market sector. 

  • The lavatory: a room used for urination and defecation. 

  • Terrain: the physical properties of a region of the earth. 

  • Similar books, studies, or regions concerning other planets. 

  • The physical arrangement of any place, particularly (UK, slang) a house. 

physiography

noun
  • The subfield of geography that studies physical patterns and processes of the Earth. It aims to understand the forces that produce and change rocks, oceans, weather, and global flora and fauna patterns. 

  • The descriptive part of a natural science as distinguished from the explanatory or theoretical part. 

How often have the words geography and physiography occurred in a corpus of books? (source: Google Ngram Viewer )