commonwealth vs province

commonwealth

noun
  • Republic. Often capitalized, as Commonwealth. 

  • The entirety of a (secular) society, a polity, a state. 

province

noun
  • An administrative subdivision of certain countries, including Canada and China. 

  • The parts of a country outside its capital city. 

  • An area outside Italy which is administered by a Roman governor. 

  • An area under the jurisdiction of an archbishop, typically comprising a number of adjacent dioceses. 

  • A region of the earth or of a continent; a district or country. 

  • An area of activity, responsibility or knowledge; the proper concern of a particular person or concept. 

  • An area under the jurisdiction of a provincial within a monastic order. 

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