Pirate vs Viking

Pirate

noun
  • someone connected with any of a number of sports teams known as the Pirates, as a fan, player, coach etc. 

  • someone connected with Bristol Rovers Football Club, as a fan, player, coach etc. 

Viking

noun
  • Scandinavian/Northern European seafarers, most familiarly raiders and pirates during the Viking age. 

  • A player on the Minnesota Vikings NFL team. 

  • A stock character common in the fantasy genre, namely a barbarian, generally equipped with an axe or sword and a helmet adorned with horns. 

  • A Norseman (medieval Scandinavian). 

  • An ethnic Swede, Norwegian, Dane, Icelander or Faroe Islander. 

name
  • A sea area between Scotland and Norway 

  • A city in Minnesota 

  • A town in Alberta, Canada 

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