nones vs terce

nones

noun
  • The ninth hour after dawn (about 3 pm). 

  • The notional first-quarter day of a Roman month, occurring on the 7th day of the four original 31-day months (March, May, Quintilis or July, and October) and on the 5th day of all other months. 

  • The divine office appointed to the hour. 

terce

noun
  • The third hour of daylight (about 9 am). 

  • The service appointed for this hour. 

  • A widow's right, where she has no conventional provision, to a liferent of a third of the husband's heritable property. 

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