libidinous vs unappropriate

libidinous

adj
  • Having lustful desires; characterized by lewdness. 

unappropriate

adj
  • Inappropriate; unsuitable. 

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

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