prep school vs prepper

prep school

noun
  • A private primary school which prepares its pupils for the common entrance examination most commonly at the age of thirteen, and subsequent entry into public school. 

  • A private or public school intended to prepare its students to get into prestigious universities. 

prepper

noun
  • Prep school. 

  • A survivalist; one who actively prepares for emergencies. 

  • A student at a prep school. 

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