Eon

"Eon" in Finnish

aioni

(geochronologic unit)

ikuisuus

(eternity)

ikuisuus

(informal, hyperbolic: a long period of time)

iäisyys

(eternity)

iänkaikkisuus

(eternity)

maailmankausi

(informal, hyperbolic: a long period of time)

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.