i Register
In some senses, christendom is marked as archaic, obsolete. Watch for register when choosing this word.
noun
The Christian world; Christ's Church on Earth.
The Arian doctrine which then divided Christendom.
The result is contained in the fact of a wide and still widening Christendom.
The state of being a (devout) Christian; Christian belief or faith.
By my Chriſtendome, So I were out of priſon, and kept Sheepe, I ſhould be as merry as the day is long.
[…]and yet cannot be denied that ſo it ought to be, by any man that would not have his Chriſtendome ſuſpected.
The name received at baptism; any name or appellation.
[…]but for an Author to renounce his Chriſtendome to write in his owne commendation, to refuſe the name which his Godfathers and Godmothers gaue him in his baptiſme , and call himſelfe a wellwiller to both the writers[…]
His faith, his ſweet diſaſter: with a world Of pretty fond adoptious chriſtendomes That blinking Cupid goſſips.