crampon vs toenail

crampon

noun
  • A heraldic figure in the form of a bar bent at the ends into the form of a hook. 

  • An attachment to a shoe or boot that provides traction by means of spikes. Used for climbing or walking on slippery surfaces, especially ice. 

  • An aerial rootlet for support in climbing, as of ivy. 

verb
  • To walk or climb using crampons. 

toenail

noun
  • The thin, horny, transparent plate covering the upper surface of the end of a toe. 

verb
  • To fasten two pieces of lumber together by applying nails or screws into both boards at an angle. 

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