multifarious vs myriad

multifarious

adj
  • Having great diversity or variety; of various kinds; made up of many differing parts; manifold. 

  • In which a party or a cause of action has been improperly or wrongfully joined together in the same suit, as in a misjoinder, perhaps as a result of a joinder of unrelated, distinct, independent parties or matters. 

myriad

adj
  • Multifaceted, having innumerable elements 

  • Great in number; innumerable, multitudinous 

noun
  • A countless number or multitude (of specified things) 

  • Ten thousand; 10,000 

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