fettered vs restricted

fettered

adj
  • Restricted. 

  • Of the feet: bent backward and apparently unfit for walking. 

  • Bound by chains or shackles. 

restricted

adj
  • Limited within bounds. 

  • Available only to certain authorized groups of people. 

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

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