rowdy vs ruffian

rowdy

adj
  • Loud and disorderly; riotous; boisterous. 

noun
  • money; ready money. 

  • A boisterous person; a brawler. 

ruffian

adj
  • Brutal; cruel; savagely boisterous; murderous. 

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

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

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