Arab vs Arabian

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

noun
  • An Arabian horse. 

  • A native of Arabia. 

adj
  • Related to Arabia. 

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