"Millennium" is singular.
1 millennia =1000 year 2 millennia =2000 yrs
1 millennia =1000 year 2 millennia =2000 yrs
1 millennia =1000 year 6 millennia =6000 yrs
1 millennia =1000 year 8 millennia =8000 yrs
The singular form of the plural noun centuries is century.The singular possessive form is century's.example: Will we have flying cars by the century's end?
The plural form for the singular noun millennium is millennia. The word millenniums is also an accepted form.
millennium is singular, millennia is plural
The singular form of the demonstrative pronoun 'these' is this.
The singular form of "cuffs" is cuff.
The singular form of "stratum" is "stratum." The word does not change in its singular form.
The singular form of feet is foot.
The singular form of "oases" is "oasis."
The singular form of "dice" is "die."
The singular form of "wash" is "washing."
The singular form of diagnoses is diagnosis.
The singular form of scissors is "scissor."
The singular form of vixen is "vixen." Both the singular and plural form of this word are the same.