peroration vs windup

peroration

noun
  • The concluding section of a discourse, either written or oral, in which the orator or writer sums up and commends his topic to his audience, particularly as used in the technical sense of a component of ancient Roman oratorical delivery. 

  • A discourse or rhetorical argument in general. 

windup

noun
  • The act of ending or concluding something. 

  • A practical joke or tease. 

  • A long explanation of some line of thought to reach a certain conclusion. 

  • The act of preparing for a certain style of pitching. 

  • The last part of something; a conclusion. 

adj
  • Operated by a coiled spring that is wound by hand. 

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