weblog vs yearbook

weblog

yearbook

noun
  • A school subject in which students learn journalistic skills by compiling a yearbook. 

  • A publication compiled by the graduating class of a high school or college, recording the year's events and containing photographs of students and faculty. 

  • A reference book, published annually. 

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