crazed vs unhinged

crazed

adj
  • Maddened; driven insane. 

  • Covered with cracks (generally applied to porcelain). 

unhinged

adj
  • Mentally ill or unstable. 

  • Not having ever been mounted using a stamp hinge. 

  • Not furnished with a hinge. 

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