aeonian vs ageless

aeonian and ageless both are adjectives.

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

As adjectives, aeonian and ageless are synonyms defined as:

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

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