pincers vs toenail

pincers

noun
  • A gripping tool, pivoted like a pair of scissors, but with blunt jaws. 

  • The front claws of crustaceans such as lobsters. 

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