Archean vs Archaeozoic

Archean and Archaeozoic both are nouns.

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

As nouns, Archean and Archaeozoic are synonyms defined as:

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

Archean (noun)	Archaeozoic (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