aposiopesis vs parable

aposiopesis

noun
  • An abrupt breaking-off in speech, often indicated in print using an ellipsis (…) or an em dash (—). 

parable

noun
  • A short narrative illustrating a lesson (usually religious/moral) by comparison or analogy. 

verb
  • To represent by parable. 

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