nonprotected vs unfaithful

nonprotected

adj
  • Having no protecting group 

  • Not protected 

unfaithful

adj
  • Not having religious faith. 

  • Not keeping good faith; disloyal; not faithful. 

  • Not honest or upright. 

  • Negligent or imperfect. 

  • Not faithfully rendering the meaning of the source language; incorrect. 

  • Adulterous. 

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