noon vs upstairs

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 

upstairs

noun
  • An upper storey. 

  • A woman's breasts. 

adv
  • Up the stairs; on a higher floor or level. 

  • In heaven, especially with regard to where a deity might be found. 

  • In the brain or mind. 

adj
  • Located on a higher floor or level of a building. 

  • Pertaining to a pitched ball that is high, and usually outside the strike zone. 

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