outlaw vs taboo

outlaw

verb
  • To place a ban upon. 

  • To remove from legal jurisdiction or enforcement. 

  • To declare illegal. 

  • To deprive of legal force. 

noun
  • A fugitive from the law. 

  • An in-law: a relative by marriage. 

  • A person who operates outside established norms. 

  • One who would be an in-law except that the marriage-like relationship is unofficial. 

  • A criminal who is excluded from normal legal rights; one who can be killed at will without legal penalty. 

  • A wild horse. 

  • A prostitute who works alone, without a pimp. 

taboo

verb
  • To ban. 

  • To avoid. 

  • To mark as taboo. 

noun
  • An inhibition or ban that results from social custom or emotional aversion. 

  • Something which may not be used, approached or mentioned because it is sacred. 

adj
  • Culturally forbidden. 

  • Excluded or forbidden from use, approach or mention. 

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