biff vs sucker punch

biff

noun
  • A sudden, sharp blow or punch. 

  • A wipeout. 

intj
  • The sound of a person being punched or hit. 

verb
  • To discard; to throw out; to throw away. 

  • To punch or hit. 

  • To wipe out; to faceplant; to fall. 

sucker punch

noun
  • An unexpected punch or similar blow. 

  • A disabling punch targeting a place which is not normally acceptable in a "fair fight", such as on the back of the head. 

verb
  • To deliver an unexpected blow. 

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