midday vs twelve

midday

noun
  • noon; twelve o'clock during the day 

twelve

noun
  • A jury (normally composed of twelve persons). 

  • A twelve-bore gun. 

  • The police; law enforcement, especially a narcotics officer. 

  • Front (front side of something, position in front of something). 

  • A group of twelve items. 

num
  • The cardinal number occurring after eleven and before thirteen, represented in Arabic numerals as 12 and in Roman numerals as XII. 

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