arrange vs pencil in

arrange

verb
  • To plan; to prepare in advance. 

  • To prepare and adapt an already-written composition for presentation in other than its original form. 

  • To set up; to organize; to put into an orderly sequence or arrangement. 

noun
  • rearranged rendition of a song; arrangement 

pencil in

verb
  • to provisionally schedule 

  • to fill in or write in using pencil 

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