aeonian vs perpetual

aeonian and perpetual both are adjectives.

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

As adjectives, aeonian and perpetual are synonyms defined as:

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

aeonian (adjective)	perpetual (adjective)
of or relating to a geological eon (longer than an era)	uninterrupted in time and indefinitely long continuing
continuing forever or indefinitely	continuing forever or indefinitely