ersatz vs rogue

ersatz

adj
  • Made in imitation; artificial, especially of a poor quality. 

noun
  • Something made in imitation; an effigy or substitute. 

rogue

adj
  • Deceitful, unprincipled. 

  • Mischievous, unpredictable. 

  • Large, destructive and unpredictable. 

  • Vicious and solitary. 

noun
  • A vagrant. 

  • A plant that shows some undesirable variation. 

  • A character class focusing on stealthy conduct. 

  • An aggressive animal separate from the herd, especially an elephant. 

  • A scoundrel, rascal or unprincipled, deceitful, and unreliable person. 

  • Deceitful software pretending to be anti-spyware, but in fact being malicious software itself. 

  • A mischievous scamp. 

verb
  • To cull; to destroy plants not meeting a required standard, especially when saving seed, rogue or unwanted plants are removed before pollination. 

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