Britisher vs Walian

Britisher

noun
  • A Briton. 

  • The British colonial authorities; a European member of the British Raj, especially an officer from the colonial authorities. 

adj
  • British 

Walian

noun
  • A Welsh person. 

adj
  • Synonym of Welsh: of or relating to Wales. 

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