first class vs noon

first class

noun
  • premier rank. 

  • the third year of primary school, following after the junior and senior infant levels. 

  • One of two classes of city government in the U.S. state of Kentucky, in which cities elect a mayor and aldermen. 

adj
  • Of, or relating to the most luxurious and expensive class of accommodation on a train, ship, hotel, etc. 

  • Great, very enjoyable. 

  • Of, or relating to a first class match. 

  • Belonging to the best or top group in a system of classification. 

  • Of, or relating to a class of mail to be delivered before second class. 

  • Of, or relating to a treatment like that for a first-class citizen. 

noon

noun
  • The highest point; culmination. 

  • The letter ن in the Arabic script. 

  • The time of day when the sun is in its zenith; twelve o'clock in the day, midday. 

verb
  • To relax or sleep around midday 

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