libertine vs unsociable

libertine

noun
  • Someone (especially a man) who takes no notice of moral laws, especially those involving sexual propriety; someone loose in morals; a pleasure-seeker. 

  • One who is freethinking in religious matters. 

  • Someone freed from slavery in Ancient Rome; a freedman. 

adj
  • Dissolute, licentious, profligate; loose in morals. 

unsociable

noun
  • A person who is not sociable. 

adj
  • not congenial or compatible 

  • not desiring the company of others 

  • unfriendly 

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