blog vs daybook

blog

noun
  • An individual post to a blog. 

  • A website that allows users to reflect, share opinions, and discuss various topics in the form of an online journal, sometimes letting readers comment on their posts. Most blogs are written in a slightly informal tone (personal journals, news, businesses, etc.) 

verb
  • To contribute to a blog. 

  • To blag, to steal something; to acquire something illegally. 

daybook

noun
  • A daily chronicle; a diary. 

  • A logbook. 

  • An accounting journal. 

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