dramatize vs tread the boards

dramatize

verb
  • to adapt a literary work so that it can be performed in the theatre, or on radio or television 

  • to present something in a dramatic or melodramatic manner 

tread the boards

verb
  • To work as an theater actor. 

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