raven vs turbo

raven

noun
  • raven 

  • Any of several, generally large and lustrous black species of birds in the genus Corvus, especially the common raven, Corvus corax. 

  • A jet-black colour. 

  • Rapine; rapacity. 

  • Prey; plunder; food obtained by violence. 

verb
  • To prey on with rapacity. 

  • To show rapacity; to be greedy (for something). 

  • To devour with great eagerness. 

adj
  • Of the color of the raven; jet-black 

turbo

noun
  • A turban shell. 

  • a turbine 

  • Autofire. 

verb
  • To autofire. 

adj
  • Very, super, etc.; usually relating to a qualitative value (as opposed to quantitative). 

  • Causing or relating to increased speed. 

  • With rapidly-increasing blind levels. 

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