Archaeozoic vs Archean eon

Archaeozoic and Archean eon both are nouns.

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

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

Archaeozoic and Archean eon: 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 Archaeozoic include Archaeozoic aeon, Archean, Archean aeon, Archeozoic, Archeozoic eon.

Archaeozoic (noun)	Archean eon (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