dame vs viscountess

dame

noun
  • A queen. 

  • Usually capitalized as Dame: a title equivalent to Sir for a female knight. 

  • In traditional pantomime: a melodramatic female often played by a man in drag. 

  • A matron at a school, especially Eton College. 

verb
  • To make a dame. 

viscountess

noun
  • The wife of a viscount. 

  • A woman holding the rank of viscount in her own right. 

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