mad as a fish vs nutso

mad as a fish

adj
  • Demented, crazy. 

nutso

adj
  • Crazy, insane. 

  • Obsessed; overly enthusiastic. 

  • Ridiculous; unbelievable or silly. 

  • Fraught or out of control. 

adv
  • In a crazy manner. 

  • Madly; extremely or obsessively. 

noun
  • A crazy person; a crackpot or lunatic. 

  • Craziness; insanity. 

How often have the words mad as a fish and nutso occurred in a corpus of books? (source: Google Ngram Viewer )