regnum, regni (n)
kingdom Nouns: The Divine
2nd declension neuter. Adveniat regnum tuum (Thy kingdom come) — Pater Noster
In Scripture
Respondit Jesus, et dixit ei : Amen, amen dico tibi, nisi quis renatus fuerit denuo, non potest videre regnum Dei.
Jesus answered and said to him: Amen, amen, I say to thee, unless a man be born again, he cannot see the kingdom of God.
Ioannes 3 · 3