cuddy vs thickhead

cuddy

noun
  • a small cupboard or closet. 

  • A pony that works in a mine. 

  • A coalfish (Pollachius virens). 

  • A lever mounted on a tripod for lifting stones, leveling up railroad ties, etc.. 

  • A donkey, especially one driven by a huckster or greengrocer. 

  • A cabin, for the use of the captain, in the after part of a sailing ship under the poop deck. 

thickhead

noun
  • Any of several species of Australian songbirds of the genus Pachycephala. 

  • Someone stupid. 

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