dissertation vs version

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. 

version

verb
  • To keep track of (a file, document, etc.) in a versioning system. 

noun
  • A specific form or variation of something. 

  • An account or description from a particular point of view, especially as contrasted with another account. 

  • A translation from one language to another. 

  • A particular revision (of software, firmware, CPU, etc.). 

  • A condition of the uterus in which its axis is deflected from its normal position without being bent upon itself. See anteversion and retroversion. 

  • An eye movement involving both eyes moving synchronously and symmetrically in the same direction. 

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