police vs thug

police

noun
  • The staff of such a department or agency, particularly its officers; (regional, chiefly US, Caribbean, Jamaica, Scotland, countable) an individual police officer. 

  • Any of the formally enacted law enforcement agencies at various levels of government. 

  • A branch of the Home Office responsible for general law enforcement within a specific territory. 

  • A department of local (usually municipal) government responsible for general law enforcement. 

  • A public agency charged with enforcing laws and maintaining public order, usually being granted special privileges to do so, particularly 

  • People who try to enforce norms or standards as if granted authority similar to the police. 

  • Cleanup of a military facility, as a formal duty. 

verb
  • To clean up an area. 

  • To enforce norms or standards upon. 

  • To enforce the law and keep order among (a group). 

thug

verb
  • To commit acts of thuggery, to live the life of a thug, or to dress and act in a manner reminiscent of someone who does. 

noun
  • One of a band of assassins formerly active in northern India who worshipped Kali and offered their victims to her. 

  • One who, usually as a result of social disadvantage, has turned to committing crimes (e.g. selling drugs, robbery, assault, etc.) to make a living; a gangsta. 

  • An over-vigorous plant that spreads and dominates the flowerbed. 

  • Someone with an intimidating and unseemly appearance and mannerisms, who treats others violently and roughly, often for hire. 

  • A punk; a hoodlum; a hooligan. 

  • A wooden bat used in the game of miniten, fitting around the player's hand. 

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