annotation vs scribbling

annotation

noun
  • A comment added to a text. 

  • Information relating to the genetic structure of sequences of bases. 

  • A critical or explanatory commentary or analysis. 

  • Metadata added to a document or program. 

  • The process of writing such comment or commentary. 

scribbling

noun
  • That which has been scribbled, written in a scrawled or careless hand. 

  • The carding of wool or cotton. 

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