hamlet vs outpost

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. 

outpost

noun
  • A square protected by a pawn that is in or near the enemy's stronghold. 

  • A military post stationed at a distance from the main body of troops. 

  • An outlying settlement. 

  • The body of troops manning such a post. 

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