no holds barred vs nonprotected

no holds barred

adj
  • Without restrictions on holds or what opponents may do. 

  • Having absolutely no limits or restrictions as far as the levels and nature of one's hostilities and offense; taking to an especially ruthless or vicious manner. 

nonprotected

adj
  • Having no protecting group 

  • Not protected 

How often have the words no holds barred and nonprotected occurred in a corpus of books? (source: Google Ngram Viewer )