contraband vs prohibited

contraband

adj
  • Prohibited from being traded. 

noun
  • Goods which are prohibited from being traded, smuggled goods. 

  • Any goods which are illicit or illegal to possess. 

  • A black slave during the American Civil War who had escaped to, or been captured by, Union forces. 

prohibited

adj
  • Forbidden; unallowed 

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