Moor vs Wend

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. 

Wend

noun
  • A Slavic person living anywhere in the vicinity of German-speaking areas. 

  • A member of a Slavic people from the borders of Germany and Poland; a Sorb; a Kashub. 

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