confuddle vs confuzzle

confuddle

noun
  • The state of confusion and/or being befuddled. 

verb
  • To confuse thoroughly. 

confuzzle

noun
  • A state of confusion or puzzlement. 

verb
  • To confuse or puzzle. 

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