Brexiter vs Remoaner

Brexiter

noun
  • Synonym of Brexiteer 

Remoaner

noun
  • A Remainer; one who complains about or rejects the outcome of the 2016 referendum on the UK's membership of the European Union. 

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