beagle vs nark

beagle

noun
  • A person who snoops on others; a detective. 

  • A bailiff. 

  • A small kind of shark. 

  • A small short-legged smooth-coated scenthound, often tricolored and sometimes used for hunting hares. Its friendly disposition makes it suitable as a family pet. 

verb
  • To search. 

  • To hunt with beagles. 

nark

noun
  • A police spy or informer. 

  • An unpleasant person, especially one who makes things difficult for others. 

verb
  • To stop. 

  • To annoy or irritate. 

  • To serve or behave as a spy or informer. 

  • To complain. 

  • To watch; to observe. 

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