unappropriate vs uncongenial

unappropriate

adj
  • Inappropriate; unsuitable. 

verb
  • To take from private possession; to restore to the possession or right of all. 

uncongenial

adj
  • Not appropriate; unsuitable. 

  • He found office life uncongenial, and eventually left the company. 

  • Incapable of being grafted. 

  • Not pleasing; disagreeable. 

  • Not congenial, compatible or sympathetic. 

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