monoprint vs put to bed

monoprint

verb
  • To print using this technique. 

noun
  • A form of printing on paper from a glass sheet to which oil paint has been applied; monotype. 

put to bed

verb
  • To prepare (a newspaper) for printing. 

  • To help someone, for example a child, go to bed. 

  • To finalise the result, seal a win. 

  • To dispel. 

How often have the words monoprint and put to bed occurred in a corpus of books? (source: Google Ngram Viewer )