aeviternity vs unlimitedness

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)”) 

unlimitedness

noun
  • The characteristic of being unlimited; infinity. 

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