countryside vs municipality

countryside

noun
  • An area located outside of towns and cities; an area that is not urban or suburban; a rural area. 

  • Such part of a larger area. 

  • A rural landscape. 

municipality

noun
  • A district with a government that typically encloses no other governed districts; a borough, city, or incorporated town or village. 

  • The governing body of such a district. 

  • In Mexico and other Spanish- and Portuguese-speaking countries, second-level administrative divisions that may house one or more cities or towns whose head of government may be called mayors or, in Mexico, municipal presidents. 

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