inchoative vs initiatory

inchoative

adj
  • Inflected in or relating to the inchoative aspect. 

  • At the beginning, still in an unformed state. 

  • Aspectually indicating that a state is about to be entered or is in the process of being entered. 

noun
  • An inchoative construction. 

initiatory

adj
  • Of or pertaining to initiation 

  • inceptive, initial, inaugural or introductory 

noun
  • An introductory act or rite. 

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