unappropriate vs unequal

unappropriate

adj
  • Inappropriate; unsuitable. 

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

unequal

adj
  • Erratic, inconsistent. 

  • Not the same. 

  • Out of balance. 

  • Inadequate; insufficiently capable or qualified. 

noun
  • One who is not an equal. 

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