environment vs region

environment

noun
  • A particular political or social setting, arena or condition. 

  • The set of variables and their values in a namespace that an operating system associates with a process. 

  • The surroundings of, and influences on, a particular item of interest. 

  • All the elements that affect a system or its inputs and outputs. 

  • The environment of a function at a point during the execution of a program is the set of identifiers in the function's scope and their bindings at that point. 

  • The natural world or ecosystem. 

  • The software and/or hardware existing on any particular computer system. 

region

noun
  • The inhabitants of a region or district of a country. 

  • Any considerable and connected part of a space or surface; specifically, a tract of land or sea of considerable but indefinite extent; a country; a district; in a broad sense, a place without special reference to location or extent but viewed as an entity for geographical, social or cultural reasons. 

  • A subnational region of Chile; equivalent to province. 

  • An administrative subdivision of the European Union. 

  • A subprovincial region of Quebec; the primary level subdivision; a prefecture. 

  • A place in or a part of the body in any way indicated. 

  • Such a division of the city of Rome and of the territory about Rome, of which the number varied at different times; a district, quarter, or ward. 

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