catechism vs tryout

catechism

noun
  • A set of questions designed to determine knowledge. 

  • A basic manual in some subject. 

  • A book, in question and answer form, summarizing the basic principles of Christianity. 

tryout

noun
  • A test of the suitability or effectiveness of a person or thing, especially an audition for a performer or athlete, or the advance staging of a play at a small theatre. 

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