crimson vs rubify

crimson

verb
  • To dye with crimson or deep red; to redden. 

  • To become crimson or deep red; to blush. 

adj
  • Having a deep red colour. 

  • Immodest. 

noun
  • A deep, slightly bluish red. 

rubify

verb
  • to redden; to become red 

  • to make red; to cause to redden 

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