Sunday vs sun

Sunday

noun
  • A comic strip published in a Sunday newspaper. 

  • The first day of the week in many religious traditions, and the seventh day of the week in systems using the ISO 8601 standard; the Christian Sabbath; the Lord's Day; it follows Saturday and precedes Monday. 

  • A newspaper published on Sunday. 

adv
  • On Sundays. 

verb
  • To spend Sunday (at a certain place, with a certain person or people, etc.). 

sun

noun
  • A star, especially when seen as the centre of any single solar system. 

  • The thirty-first Lenormand card. 

  • A revolution of the Earth around the Sun; a year. 

  • The nineteenth trump/major arcana card of the Tarot. 

  • Sunrise or sunset. 

  • The light and warmth which is received from the sun; sunshine or sunlight. 

  • A transversing of the sky by the Sun; a day. 

  • A traditional Japanese unit of length, approximately 30.3 millimetres (1.193 inches). 

  • Something like the sun in brightness or splendor. 

name
  • The star that the Earth revolves around and from which it receives light and warmth. 

verb
  • To warm or dry in the sunshine. 

  • To be exposed to the sun. 

  • To expose the eyes to the sun as part of the Bates method. 

  • To expose to the warmth and radiation of the sun. 

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