layby vs pull-off

layby

pull-off

adj
  • Able to be removed by pulling. 

noun
  • The technique, when playing a string instrument, of using a finger of the fret hand to pluck a string by pulling the finger off the fretboard. 

  • An area by the side of a road where vehicles may stop; a lay-by. 

How often have the words layby and pull-off occurred in a corpus of books? (source: Google Ngram Viewer )