unappropriate vs unessential

unappropriate

adj
  • Inappropriate; unsuitable. 

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

unessential

adj
  • Not essential. 

  • Void of essence, or real being. 

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