asyndeton vs onomatopoeia

asyndeton

noun
  • A stylistic scheme in which conjunctions such as "or" and "and" are deliberately omitted from a series of words, phrases, or clauses. 

onomatopoeia

noun
  • The use of language whose sound imitates that which it names. 

  • A word that sounds like what it represents, such as "gurgle," "stutter," or "hiss". 

  • The property of a word of sounding like what it represents. 

  • A word that appropriates a sound for another sensation or a perceived nature, such as "thud", "beep", or "meow"; an ideophone, phenomime. 

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