commonage vs kibbutz

commonage

noun
  • Shared land; a common. 

  • The condition of land that is held in common. 

  • The right to pasture animals on common land. 

kibbutz

noun
  • A community, usually an agricultural one in Israel, based on a high level of social and economical sharing, equality, direct democracy and tight social relations. 

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