rhetoric vs vocabulary

rhetoric

noun
  • The art of using language, especially public speaking, as a means to persuade. 

  • Meaningless language with an exaggerated style intended to impress. 

adj
  • Synonym of rhetorical. 

vocabulary

noun
  • The collection of words a person knows and uses. 

  • A range of artistic or stylistic forms or techniques. 

  • The stock of words used in a particular field. 

  • A usually alphabetized and explained collection of words e.g. of a particular field, or prepared for a specific purpose, often for learning. 

  • The words of a language collectively; lexis. 

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