at peace vs unsatisfied

at peace

prep
  • Free of worries; peaceful. 

  • Dead. 

unsatisfied

adj
  • Not satisfied, especially with the quantity of something; dissatisfied; uncontented. 

  • Not gratified; not having been fulfilled or met. 

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