Arab vs Arabian horse

Arab

noun
  • An Arabian horse. 

  • A member of an Arabic-speaking community 

  • An inhabitant of Arabia or the Arab world 

  • A Semitic person, whose forebears were from Arabia 

adj
  • Of or pertaining to Arabs and their nations. 

Arabian horse

noun
  • A breed of horse that originated on the Arabian Peninsula characterised by a refined, wedge-shaped head, broad forehead, large eyes, large nostrils and small muzzle. 

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