meaningless vs unappropriate

meaningless

adj
  • Insignificant; not worthy of importance. 

  • Lacking meaning. 

unappropriate

adj
  • Inappropriate; unsuitable. 

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

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