vulture vs whoremaster

vulture

noun
  • A person who profits from the suffering of others. 

  • Any of several carrion-eating birds of the families Accipitridae and Cathartidae. 

verb
  • To circle around one's target as if one were a vulture. 

whoremaster

noun
  • An exploiter of people. 

  • A man who uses the services of prostitutes. 

  • A pimp. 

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