arbitrate vs try to reach a compromise

arbitrate

verb
  • To assign an arbitrary value to, or otherwise determine arbitrarily. 

  • To make a judgment (on a dispute) as an arbitrator or arbiter 

  • To submit (a dispute) to such judgment 

try to reach a compromise

How often have the words arbitrate and try to reach a compromise occurred in a corpus of books? (source: Google Ngram Viewer )