blackmail vs hoodwink

blackmail

verb
  • To speak ill of someone; to defame someone. 

  • To extort money or favors from (a person) by exciting fears of injury other than bodily harm, such as injury to reputation, distress of mind, false accusation, etc. 

noun
  • The extortion of money or favours by threats of public accusation, exposure, or censure. 

  • Black rent, or rent paid in corn, meat, or the lowest coin, as opposed to white rent, which was paid in silver. 

  • Compromising material that can be used to extort someone, dirt. 

hoodwink

verb
  • To deceive using a disguise; to bewile, dupe, mislead. 

noun
  • An act of hiding from sight, or something that cloaks or hides another thing from view. 

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