Synonyms|111Antonyms|9|Broader|9Narrower|25Related|33
4
many years(noun, time, period, yaer)
2
Archaeozoic
2
Archaeozoic aeon
2
Archean
2
Archean aeon
2
Archean eon
2
Archeozoic
2
Archeozoic eon
2
Hadean
2
Hadean aeon
2
Hadean eon
2
Hadean time
2
Phanerozoic
2
Phanerozoic aeon
2
Phanerozoic eon
2
Precambrian
2
Precambrian aeon
2
Precambrian eon
2
Precambrian period
2
Priscoan
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APASmart Define. (2015). eon thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/eon/thesaurus/narrower
ChicagoSmart Define. 2015. "eon thesaurus" https://smartdefine.org/eon/thesaurus/narrower (accessed September 20, 2026).
HarvardSmart Define 2015, eon thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/eon/thesaurus/narrower>.
MLASmart Define. "eon thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/eon/thesaurus/narrower>