Mauritanian vs Moor

Mauritanian

noun
  • A person from Mauritania or of Mauritanian descent. 

adj
  • Of, from, or pertaining to Mauritania, the Mauritanian people or the Mauritanian language. 

Moor

noun
  • A member of an ancient Berber people from Mauretania. 

  • A member of an Islamic people of Arab or Berber origin ruling Spain and parts of North Africa from the 8th to the 15th centuries. 

  • A person of an ethnic group speaking the Hassaniya language, mainly inhabiting Western Sahara, Mauritania, and parts of neighbouring countries (Morocco, Mali, Senegal etc.). 

name
  • A surname from Irish. 

  • An English surname transferred from the given name. 

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