blacky vs zot

blacky

noun
  • A black person. 

zot

noun
  • A black person. 

  • An anteater. 

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

verb
  • To zap, kill, or destroy. 

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