restricted vs unhinged

restricted

adj
  • Available only to certain authorized groups of people. 

  • Only available to customers who do not belong to racial, ethnic or religious minorities. 

  • Limited within bounds. 

unhinged

adj
  • Not having ever been mounted using a stamp hinge. 

  • Mentally ill or unstable. 

  • Not furnished with a hinge. 

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