Britisher vs pomey

Britisher

adj

  • British 

noun

  • A Briton. 

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

pomey

noun

  • Synonym of pomme (“roundel vert”) 

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