aeonian vs eonian

aeonian and eonian both are adjectives.

Word	Noun	Adjective	Verb	Adverb
aeonian	No	Yes	No	No
eonian	No	Yes	No	No

As adjectives, aeonian and eonian are synonyms defined as:

aeonian and eonian: of or relating to a geological eon (longer than an era)

As adjectives, aeonian and eonian are synonyms defined as:

Other synonyms of aeonian include ageless, eternal, everlasting, perpetual, unceasing, unending.

aeonian (adjective)	eonian (adjective)
of or relating to a geological eon (longer than an era)	of or relating to a geological eon (longer than an era)
continuing forever or indefinitely	continuing forever or indefinitely