unappropriate vs unwelcome

unappropriate

adj
  • Inappropriate; unsuitable. 

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

unwelcome

adj
  • Not welcome. 

verb
  • To treat as unwelcome. 

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