hooligan vs ruffian

hooligan

noun
  • A person who causes trouble or violence. 

  • A type of fish, an anadromous smelt, Thaleichthys pacificus, found in the North Pacific. 

  • A member of the coast guard. 

ruffian

noun
  • A scoundrel, rascal, or unprincipled, deceitful, brutal and unreliable person. 

adj
  • Brutal; cruel; savagely boisterous; murderous. 

verb
  • To play the ruffian; to rage; to raise tumult. 

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