inceptive vs matinal

inceptive

adj
  • Beginning; of or relating to inception. 

  • Aspectually inflected to show that the action is beginning. 

noun
  • An inceptive construction. 

matinal

adj
  • In the morning, relating to the morning. 

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