geography vs tract

geography

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

  • 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. 

  • 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. 

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

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

tract

noun
  • An area or expanse. 

  • Part of the proper of the liturgical celebration of the Eucharist for many Christian denominations, used instead of the alleluia during Lenten or pre-Lenten seasons, in a Requiem Mass, and on a few other penitential occasions. 

  • A series of connected body organs, such as the digestive tract. 

  • A commentator's view or perspective on a subject. 

  • Continued or protracted duration, length, extent 

  • A brief treatise or discourse on a subject. 

  • A small booklet such as a pamphlet, often for promotional or informational uses. 

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