pinkie vs toenail

pinkie

noun
  • A little toe, the toe furthest on a foot from the big toe. 

  • A bilby. 

  • A little finger, the finger furthest on a hand from the thumb. 

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