crayon vs redden

crayon

verb
  • To draw with a crayon. 

noun
  • A stick of colored chalk or wax used for drawing. 

  • A colored pencil, a colouring pencil 

redden

verb
  • To make red or redder. 

  • To become red or redder. 

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