asyndeton vs gapping

asyndeton

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

gapping

noun
  • A type of ellipsis that occurs in the non-initial conjuncts of coordinate structures, and usually elides minimally a finite verb and further any non-finite verbs that are present. Example: "Some ate bread, and others rice." 

  • The formation of a gap. 

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