inchoative vs liminal

inchoative

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

  • At the beginning, still in an unformed state. 

  • Inflected in or relating to the inchoative aspect. 

noun
  • An inchoative construction. 

liminal

adj
  • Of or pertaining to an entrance or threshold. 

  • Of or pertaining to a beginning or first stage of a process. 

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