asyndeton vs elision

asyndeton

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

elision

noun
  • The omission of a letter or syllable between two words or inside a word; sometimes marked with an apostrophe. 

  • The deliberate omission of something. 

  • A different mode or method of operating a computer program. 

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