dissertation vs novel

dissertation

noun
  • A lengthy lecture on a subject; a treatise; a discourse; a sermon. 

  • A formal exposition of a subject, especially a research paper that students write in order to complete the requirements for a doctoral degree in the US and a non-doctoral degree in the UK; a thesis. 

novel

noun
  • A work of prose fiction, longer than a novella. 

  • A new legal constitution in ancient Rome. 

  • A fable; a short tale, especially one of many making up a larger work. 

adj
  • Original, especially in an interesting way; new and striking; not of the typical or ordinary type. 

  • Newly made, formed or evolved; having no precedent; of recent origin; new. 

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