i Register
In some senses, realm is marked as archaic, obsolete, figuratively. Watch for register when choosing this word.
noun
A territory or state, as ruled by an absolute authority, especially by a king; a kingdom.
And, of this island realm, he and his companion were the undisputed sovereigns.
1913, Leslie Alexander Toke, Catholic Encyclopedia, "St. Dunstan", Then seeing his life was threatened he fled the realm and crossed over to Flanders, […]
A territory or state, as ruled by an absolute authority, especially by a king; a kingdom.
A territory or state, as ruled by an absolute authority, especially by a king; a kingdom.
A sphere of knowledge or of influence; a domain.
the realm of physics
the realm of corporate governance
A primary zoogeographical division of the earth's surface.