fake vs invalid

fake

adj
  • Not real; false, fraudulent 

  • Insincere 

noun
  • A move meant to deceive an opposing player, used for gaining advantage for example when dribbling an opponent. 

  • Something which is not genuine, or is presented fraudulently. 

  • One of the circles or windings of a cable or hawser, as it lies in a coil; a single turn or coil. 

verb
  • To make a false display of, to affect, to feign, to simulate. 

  • To make a counterfeit, to counterfeit, to forge, to falsify. 

  • To improvise, in jazz. 

  • To coil (a rope, line, or hawser), by winding alternately in opposite directions, in layers usually of zigzag or figure of eight form, to prevent twisting when running out. 

invalid

adj
  • Not valid; not true, correct, acceptable or appropriate. 

  • Suffering from disability or illness. 

  • Intended for use by an invalid. 

verb
  • To make invalid or affect with disease. 

  • To exempt from (often military) duty because of injury or ill health. 

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