hit below the belt vs hoodwink

hit below the belt

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 hit below the belt and hoodwink occurred in a corpus of books? (source: Google Ngram Viewer )