hasp vs snib

hasp

noun
  • A clasp, especially a metal strap fastened by a padlock or a pin; also, a hook for fastening a door. 

  • A spindle to wind yarn, thread, or silk on. 

  • An instrument for cutting the surface of grassland; a scarifier. 

verb
  • To shut or fasten with a hasp. 

snib

noun
  • A latch or fastening for a door, window etc. 

verb
  • To latch (a door, window etc.). 

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