prurient vs unappropriate

prurient

adj
  • Curious, especially inappropriately so. 

  • Arousing or appealing to sexual desire. 

  • Uneasy with desire; itching; especially, having a lascivious anxiety or propensity; lustful. 

unappropriate

adj
  • Inappropriate; unsuitable. 

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

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