aubade vs sunlight

aubade

noun
  • A poem or song evoking or greeting the dawn or early morning. 

  • A concert held at dawn or in the morning, especially outdoors. 

  • A morning love song, or a song of lovers parting in the morning. 

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 aubade and sunlight occurred in a corpus of books? (source: Google Ngram Viewer )