chained vs fettered

chained

adj
  • Bound with chains. 

  • Linked in a chain. 

  • Wearing or adorned with a chain. 

fettered

adj
  • Bound by chains or shackles. 

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

  • Restricted. 

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