docket vs hashtag

docket

verb
  • To label a parcel, etc. 

  • To make a brief abstract of and inscribe in a book. 

  • To enter or inscribe in a docket, or list of causes for trial. 

  • To make a brief abstract of (a writing) and endorse it on the back of the paper, or to endorse the title or contents on the back of; to summarize. 

noun
  • An agenda of things to be done. 

  • A short entry of the proceedings of a court; the register containing them; the office containing the register. 

  • A receipt. 

  • A schedule of cases awaiting action in a court. 

  • A ticket or label fixed to something, showing its contents or directions to its use. 

hashtag

verb
  • To label (a message) with a hashtag. 

noun
  • A metadata tag, signaled by a preceding hash sign (#), used to label content. 

  • The hash sign itself, when used as part of a hashtag. 

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