Quaker vs temblor

Quaker

noun
  • One who plays any Quake games. 

  • A believer of the Quaker faith and a member of the Society of Friends, known for their pacifist views. 

temblor

noun
  • An earthquake. 

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