restricted vs unbuttoned

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. 

unbuttoned

adj
  • Having the buttons undone. 

  • In disarray. 

  • Informal, casual. 

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