Archaeozoic vs Archean

Archaeozoic and Archean both are nouns.

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

As nouns, Archaeozoic and Archean are synonyms defined as:

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

Archaeozoic (noun)	Archean (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