impostor vs shark

impostor

noun
  • Someone who attempts to deceive by using an assumed name or identity. 

  • A sprite or animation integrated into a three-dimensional scene, but not based on an actual 3D model. 

  • A term referenced in an unusual grammatical person. 

shark

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

  • A sleazy and amoral lawyer. 

  • 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. 

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. 

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