blackamoor vs spearchucker

blackamoor

noun
  • A stylized Negro. 

  • A blackamoor slave, a blackamoor servant; and hence any slave, servant, inferior, or child. 

spearchucker

noun
  • A black (African or African-American) person. 

  • An agitator. 

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