aeon vs forever

aeon

noun
  • Each universe in a series of universes, according to conformal cyclic cosmology. 

  • A spirit being emanating from the Godhead. 

forever

noun
  • A mythical time in the infinite future that will never come. 

  • An extremely long time. 

adv
  • We had to wait forever to get inside. 

  • For all time, for all eternity; for a lifetime; for an infinite amount of time. 

  • For a very long time, a seeming eternity. 

  • Constantly or frequently. 

adj
  • Permanent, lasting; constant, perpetual. 

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