corps vs posse

corps

noun
  • An organized group of people united by a common purpose. 

  • A battlefield formation composed of two or more divisions. 

posse

noun
  • A group or company of people, originally especially one having hostile intent; a throng, a crowd. 

  • A group of people summoned to help law enforcement. 

  • A search party. 

  • A criminal gang. 

  • A group of (especially young) people seen as constituting a peer group or band of associates; a gang, a group of friends. 

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