marvel vs ninja

marvel

noun
  • That which causes wonder; a prodigy; a miracle. 

verb
  • To become filled with wonderment or admiration; to be amazed at something. 

ninja

noun
  • A person considered to look like the historical ninja in some way, including (Mongolia, historical slang) amateur private miners. 

  • Synonym of man as a friendly term of address. 

  • A person trained in ninjutsu, especially (historical) one used for espionage, assassination, and other tasks requiring stealth during Japan's shogunate period. 

  • A person considered similarly skillful to the historical ninja, especially in covert or stealthy operation. 

adj
  • Of or related to ninjas in their various senses. 

verb
  • Synonym of preempt: to supersede and invalidate a response by posting immediately before it. 

  • To act or move like a ninja, particularly with regard to a combination of speed, power, and stealth. 

  • To claim an item through abuse of game mechanics. 

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