everyday vs nightly

everyday

noun
  • the ordinary or routine day or occasion 

adj
  • appropriate for ordinary use, rather than for special occasions 

  • commonplace, ordinary 

nightly

adv
  • Every night. 

noun
  • A build of a software program with the latest changes, released every night. 

adj
  • Happening or appearing in the night; night-time; nocturnal. 

  • Performing, occurring, or taking place every night. 

  • Used in the night. 

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