day vs sunlight

day

noun
  • Part of a day period between sunrise and sunset where one enjoys daylight; daytime. 

  • Rotational period of a planet (especially Earth). 

  • Any period of 24 hours. 

  • The part of a day period which one spends at one’s job, school, etc. 

  • A period from midnight to the following midnight. 

  • A period of contention of a day or less. 

  • A 24-hour period beginning at 6am or sunrise. 

  • A specified time or period; time, considered with reference to the existence or prominence of a person or thing; age; time. 

verb
  • To spend a day (in a place). 

sunlight

noun
  • Synonym of sunrise. 

  • All the electromagnetic radiation given off by the Sun, especially that in the visible spectrum that bathes the Earth. 

  • Brightness, hope; a positive outlook. 

verb
  • To work on the side (at a secondary job) during the daytime. 

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