frivolous vs shark

frivolous

adj
  • Having no reasonable prospect of success because its claim is without merit, lacking a supporting legal or factual basis, while the filing party is, or should be, aware of this. 

  • Of little weight or importance; not worth notice; slight; trivial. 

  • Silly, especially at an inappropriate time or in an inappropriate manner. 

shark

verb
  • Of a university student who is not a fresher, to engage in sexual activity with a fresher, or to be at a bar or club with the general intention of engaging in such activity. 

  • To fish for sharks. 

noun
  • A sleazy and amoral lawyer. 

  • Someone who exploits others, for example by trickery, lies, usury, extortion. 

  • A very good poker or pool player. Compare fish (a bad poker player). 

  • A scaleless, predatory fish of the superorder Selachimorpha, with a cartilaginous skeleton and 5 to 7 gill slits on each side of its head. 

  • An ambulance chaser. 

  • A relentless and resolute person or group, especially in business. 

  • A university student who is not a fresher that has engaged in sexual activity with a fresher; usually habitually and with multiple people. 

  • A person who feigns ineptitude to win money from others. 

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