fettered vs unchecked

fettered

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

  • Bound by chains or shackles. 

  • Restricted. 

unchecked

adj
  • Unrestrained, not held back. 

  • Not examined for accuracy, efficiency, etc. 

  • Of a square: part of only one entry (that is, across or down, but not both). 

  • Of a check box: not checked (ticked or enabled). 

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