Mistress vs ho

Mistress

noun
  • Used as the title of a female dominant. 

ho

noun
  • A whore; a sexually promiscuous woman; in general use as a highly offensive name-calling word for a woman with connotations of loose sexuality. 

  • A stop; a halt; a moderation of pace. 

verb
  • To act as a ho. 

intj
  • Said accompanying a vigorous attack. 

  • Used to attract attention to something sighted, usually by lookouts. 

  • halloo; hey; a call to excite attention, or to give notice of approach. 

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