crass vs unappropriate

crass

adj
  • coarse; crude; unrefined or insensitive; lacking discrimination 

  • materialistic 

  • dense 

  • Lacking finesse; crude and obvious. 

unappropriate

adj
  • Inappropriate; unsuitable. 

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

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