daft as a brush vs deranged

daft as a brush

adj

  • Tending to do or say silly things. 

deranged

adj

  • Disturbed or upset, especially mentally. 

  • Insane. 

  • Malfunctioning or inoperative. 

How often have the words daft as a brush and deranged occurred in a corpus of books? (source: Google Ngram Viewer )