day-to-day vs nocturnal

day-to-day

adv
  • On a daily basis. 

noun
  • Ordinary, monotonous routine; that which is usual or mundane. 

adj
  • Happening every day. 

  • Subject to daily redetermination. 

  • Ordinary or mundane. 

nocturnal

noun
  • A device for telling the time at night, rather like a sundial but read according to the stars. 

  • A person or creature that is active at night. 

adj
  • Taking place at night, nightly. 

  • Primarily active during the night. 

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