demented vs nutballs

demented

adj

  • Crazy; ridiculous. 

  • Insane or mentally ill. 

  • a demented idea 

  • Suffering from dementia. 

nutballs

adj

  • Crazy, insane, unhinged. 

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