Pop vs Redden

Pop

name
  • Traditional nickname for a stage doorman. 

noun
  • The body of college prefects. 

  • A popular classical music concert. 

  • A social club and debating society at Eton College. 

Redden

name
  • A male given name 

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