rebirth vs recrudescence

rebirth

noun
  • Revival, reinvigoration. 

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

  • Spiritual renewal. 

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

recrudescence

noun
  • The acute recurrence of a disease, or its symptoms, after a period of improvement. 

  • The condition or state being recrudescent; the condition of something (often undesirable) breaking out again, or re-emerging after temporary abatement or suppression. 

  • The production of a fresh shoot from a ripened spike. 

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