pliers vs toenail

pliers

noun
  • A pincer-like gripping tool that multiplies the strength of the user's hand, often used for bending things. 

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 pliers and toenail occurred in a corpus of books? (source: Google Ngram Viewer )