ogress vs tartar

ogress

noun
  • A fierce, unfriendly woman. 

  • A roundel sable. 

  • A female ogre. 

tartar

noun
  • A red compound deposited during wine making; mostly potassium hydrogen tartrate — a source of cream of tartar. 

  • A hard yellow deposit on the teeth, formed from dental plaque. 

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