noon vs settle down

noon

verb
  • To relax or sleep around midday 

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. 

settle down

verb
  • To become quiet and calm after a period of disturbance or restlessness. 

  • To get comfortable with one's new accommodation or circumstances. 

  • To establish a settled lifestyle, and especially to marry. 

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