encampment vs hamlet

encampment

noun
  • A group of temporary living quarters and/or other temporary structures. 

  • A campsite. 

hamlet

noun
  • A small village or a group of houses. 

  • Any of the fish of the genus Hypoplectrus in the family Serranidae. 

  • A village that does not have its own church. 

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