pinky vs thumb

pinky

noun
  • The smallest finger or toe of a hand or foot. 

  • Methylated spirits mixed with red wine or Condy's crystals. 

  • The Australasian snapper or pink snapper (Chrysophrys auratus). 

  • A baby mouse, especially when used as food for a snake, etc. 

  • A white person. 

  • A kind of fishing schooner of New England. 

adj
  • winking 

  • Pinkish. 

thumb

noun
  • The short thick digit of the hand that for humans has the most mobility and can be made to oppose (moved to touch) all of the other fingers. 

  • A thumbnail picture. 

  • The part of a slider that may be moved linearly along the slider. 

verb
  • To turn the pages of (a book) in order to read it cursorily. 

  • To manipulate (an object) with the thumb; especially, to pull back the hammer or open the cylinder of a revolver. 

  • To hitchhike 

  • To touch or cover with the thumb. 

  • To soil or wear with the thumb or the fingers; to soil, or wear out, by frequent handling. 

  • To fire (a single action revolver) quickly by pulling the hammer while keeping the trigger depressed. 

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