dissertation vs inventory

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. 

inventory

verb
  • To take stock of the resources or items on hand; to produce an inventory. 

noun
  • The total set of a (specified) linguistic feature (within a language etc.) 

  • The stock of an item on hand at a particular location or business. 

  • A detailed list of all of the items on hand. 

  • The process of producing or updating such a list. 

  • A space containing the items available to a character, especially that in a video game, for immediate use. 

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