hoodlum vs rowdy

hoodlum

noun
  • A gangster; a hired thug. 

  • A rough or violent youth. 

rowdy

noun
  • A boisterous person; a brawler. 

  • money; ready money. 

adj
  • Loud and disorderly; riotous; boisterous. 

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