new dawn vs rebirth

new dawn

noun
  • A new beginning; a fresh start; an important, promising turning point. 

rebirth

noun
  • Reincarnation; new birth subsequent to one's first. 

  • Revival, reinvigoration. 

  • Spiritual renewal. 

verb
  • To cause to be born again or spiritually renewed. 

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