aeviternity vs life after death

aeviternity

noun
  • Synonym of eternity (“existence without end”) 

  • Synonym of aevum (“the temporal mode of existence between time and eternity, said to be experienced by angels, saints, and celestial bodies (which medieval astronomy believed to be unchanging)”) 

life after death

noun
  • The state of afterlife; existence in heaven. 

How often have the words aeviternity and life after death occurred in a corpus of books? (source: Google Ngram Viewer )