promiscuous vs unappropriate

promiscuous

adj
  • Made without careful choice; indiscriminate. 

  • Made up of various disparate elements mixed together; of disorderly composition. 

  • Having many sexual partners, especially if indiscriminate in choosing said sexual partners. 

  • The mode in which an NIC gathers all network traffic instead of getting only the traffic intended for it. 

unappropriate

adj
  • Inappropriate; unsuitable. 

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

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