Archean eon vs Archaeozoic aeon

Archean eon and Archaeozoic aeon both are nouns.

Word	Noun	Adjective	Verb	Adverb
Archean eon	Yes	No	No	No
Archaeozoic aeon	Yes	No	No	No

As nouns, Archean eon and Archaeozoic aeon are synonyms defined as:

Archean eon and Archaeozoic aeon: the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life

Other synonyms of Archean eon include Archaeozoic, Archean, Archean aeon, Archeozoic, Archeozoic eon.

Archean eon (noun)	Archaeozoic aeon (noun)
the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life	the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life