How to spell medium 97 / 213
Don't write millenium
Don't write milennium
Correct millennium
i · Common slips 2 wrong forms
ii · The ruleTwo lines, no filler
'Millennium' has two l's and two n's — from mille (thousand) + annum (year).
iii · Memory hookKeep this one
Mille + annum. Two l's and two n's.
iv · References Cross-check
v · Read deeperFull entry available
60-second read
Millenium vs. Millennium
Two Ls, two Ns.
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