Briton vs Welsh

Briton

noun
  • An inhabitant of Great Britain, particularly (historical) a Celt from the area of Roman Britain or (obsolete) a Welshman. 

  • A citizen of the United Kingdom or (historical, obsolete) its overseas empire. 

Welsh

noun
  • The Welsh language. 

  • The people of Wales. 

  • A breed of pig, kept mainly for bacon. 

adj
  • Designating plants or animals from or associated with Wales. (See Derived terms.) 

  • (Native) British; pertaining to the Celtic peoples who inhabited much of Britain before the Roman occupation. 

  • Of or pertaining to Wales. 

  • Of or pertaining to the Celtic language of Wales. 

name
  • An Irish surname, a variant of Walsh. 

  • An English and Scottish surname transferred from the nickname for someone who was a Welshman or a Celt. 

  • A town in Louisiana, United States, named for early landowner Henry Welsh. 

  • An unincorporated community in Ohio, United States, named for an early settler. 

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