mega-annum
millionennium
giga-annum
My
Myr
kiloyear
chiliad
millennian
yearthousand
millennial
multimillennial
megalographic
megacorporate
megalight-year
megalospheric
Dark Ages
gigayear
thousand million
megacerotine
abnormity
giantesque
millennium
age
starlight problem
megahistorical
submillennial
Y2K bug
inflation
hypercoaster
year 2000 problem
megatooth shark
gigalightyear
cosmochronological
megayear
epochal
period
cosmography
intersecular
Mesozoic era
Hubble length
megalithic
Carboniferous period
Age of Reptiles
Mesozoic
supercenturial
millenary
Carboniferous
thurse
Tertiary
Tertiary period
megagenomic
microverse
multimegabit
Cenozoic era
multisecular
Hubble distance
Inflation
plurisecular
Age of Mammals
gigantological
Cenozoic
light millennium
megaregional
trillionfold
cosmic
megavisceral
agegraphic
megalodontid
quintillion
cosmophysiological
cosmic calendar
megascopically
pralaya
megapolitan
centimillennium
giantship
centurial
supracentenarian
eon
kilolight
kilolightyear
SC
megaprosthetic
Meg
megakaryoblastic
megabenthic
quincentennium
Helatrobus
intrasecular
Paleozoic era
cosmocratic
megalosauroid
Paleozoic
multimegatons
annum
billennial

English words for 'Synonym of megayear: a period of 1 million years.'

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