unadulterated vs unmitigated

unadulterated

adj
  • pure; not mixed or adulterated with anything 

  • utter or out-and-out, especially in the phrase unadulterated truth 

unmitigated

adj
  • Not mitigated. 

  • Total, complete, utter. 

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