pom vs sassenach

pom

noun
  • An Englishman; a Briton; a person of British descent. 

  • A cocktail containing pomegranate juice and vodka. 

sassenach

noun
  • An English person. 

  • A Lowland Scot. 

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