kibbutz vs plantation

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. 

plantation

noun
  • A colony established thus. 

  • The importation of large numbers of workers and soldiers to displace the local population, such as in medieval Ireland and in the Americas; colonization. 

  • A large farm; estate or area of land designated for agricultural growth. Often includes housing for the owner and workers. 

  • An area where trees are planted, either for commercial purposes, or to adorn an estate. 

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