faction vs teammate

faction

noun
  • Strife; discord. 

  • A group of people, especially within a political organization, which expresses a shared belief or opinion different from people who are not part of the group. 

  • The facts found in fiction. 

  • A form of literature, film etc., that treats real people or events as if they were fiction; a mix of fact and fiction. 

teammate

noun
  • One who is on the same team. 

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