put pen to paper vs scribble

put pen to paper

verb
  • To begin to write something. 

  • To write something (especially using pen and ink). 

scribble

verb
  • To write or draw carelessly and in a hurry. 

  • To write badly; to work as an inferior author or journalist. 

  • To doodle. 

noun
  • Careless, hasty writing, doodle or drawing 

How often have the words put pen to paper and scribble occurred in a corpus of books? (source: Google Ngram Viewer )