daybook vs moblog

daybook

noun

  • A logbook. 

  • A daily chronicle; a diary. 

  • An accounting journal. 

moblog

noun

  • A weblog posted from a mobile device, such as a cell phone or PDA. 

verb

  • To post to a weblog by this means. 

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