raving vs unhinged

raving

adj
  • Causing excitement or wild praise. 

  • Talking wildly. 

noun
  • Wild, incoherent, or irrational talk. 

adv
  • Incoherently 

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 raving and unhinged occurred in a corpus of books? (source: Google Ngram Viewer )