kaffir vs zot

kaffir

noun
  • A black person. 

  • South African mining shares 

  • A member of the Nguni people of southern Africa, especially a Xhosa. 

  • A language spoken by the Nguni peoples of southern Africa, especially Xhosa. 

  • In Islamic contexts, a non-Muslim. 

zot

noun
  • A black person. 

  • An anteater. 

verb
  • To zap, kill, or destroy. 

intj
  • The characteristic sound made by an anteater's tongue or by lightning. 

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