day-to-day vs everyday

day-to-day

adj
  • Ordinary or mundane. 

  • Happening every day. 

  • Subject to daily redetermination. 

adv
  • On a daily basis. 

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

everyday

adj
  • commonplace, ordinary 

  • appropriate for ordinary use, rather than for special occasions 

noun
  • the ordinary or routine day or occasion 

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