dawn vs spring out

dawn

verb
  • To start to appear or be realized. 

  • To begin to give promise; to begin to appear or to expand. 

  • To begin to brighten with daylight. 

noun
  • The rising of the sun. 

  • The earliest phase of something. 

  • The morning twilight period immediately before sunrise. 

  • The time when the sun rises. 

spring out

verb
  • To emerge or arise. 

  • Used other than figuratively or idiomatically: see spring, out. 

  • To break out; to escape. 

  • To spend the season of spring in outdoor pursuits such as camping. 

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