blog vs explanation

blog

verb
  • To contribute to a blog. 

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

noun
  • 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.) 

  • An individual post to a blog. 

explanation

noun
  • Something that explains, makes understandable. 

  • A resolution of disputed points pursuant to discussion; a mutual clarification of disputed points; reconciliation. 

  • The act or process of explaining. 

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