frow vs mort

frow

noun
  • A woman; a wife, especially a Dutch or German one. 

  • A cleaving tool with handle at right angles to the blade, for splitting cask staves and shingles from the block; a frower. 

adj
  • Brittle; tender; crisp 

mort

noun
  • A variety of dummy whist for three players. 

  • A player in a multi-user dungeon who does not have special administrator privileges and whose character can be killed. 

  • The exposed or dummy hand of cards in the game of mort. 

  • The skin of a sheep or lamb that has died of disease. 

  • A note sounded on a horn at the death of a deer. 

  • Death; especially, the death of game in hunting. 

  • A three-year-old salmon. 

  • A great quantity or number. 

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