aevum vs eternal now

aevum

noun
  • 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. 

eternal now

noun
  • The nature of God's existence which is outside of time; the nature of a soul's existence in a supposed timeless afterlife. 

  • The condition in which all reality is experienced in the present, with the past contained only in memory and the future only in anticipation or speculation. 

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