daylight vs working day

daylight

noun
  • Daybreak. 

  • A light source that simulates daylight. 

  • The period of time between sunrise and sunset. 

  • A clear, open space. 

  • Emotional or psychological distance between people, or disagreement. 

  • Exposure to public scrutiny. 

  • The intensity distribution of light over the visible spectrum generated by the Sun under various conditions or by other light sources intended to simulate natural daylight. 

  • The light from the Sun, as opposed to that from any other source. 

  • The gap between the top of a drinking-glass and the level of drink it is filled with. 

  • The space between platens on a press or similar machinery. 

verb
  • To expose to daylight 

  • To provide sources of natural illumination such as skylights or windows. 

  • To allow light in, as by opening drapes. 

  • To gain exposure to the open. 

  • To run a drainage pipe to an opening from which its contents can drain away naturally. 

working day

noun
  • The part of a day in which work is done; the number of hours one must work per day for a specified wage. 

  • Any of those days of a week on which work is done, officially Monday to Friday in many countries (even though many people work on weekends). 

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