the king and queen lived in a Royal way.
or
The king wear royal robes.
I think that that royal winked at you. The Royal Flush won that hand.
She was born into a wealthy family and is set to inherit her parents' fortune, making her an heiress to their wealth and assets.
The courtier to the king was looking as royal as him. This is a sentence containing courtier in it.
The King's royal retinue was treated harshly.
The CEO's lackey always followed her around the office, doing whatever she asked without question.
The commander of the royal force needs to carry a stentorian voice.
I have also answered a question about getting a royal permit today.
The witch had her minions carry out the sinister plot to murder the royal family.
The King had a royal ministre in the castle
The Royal National Lifeboat Society was originally formed to help rescue mariners in distress.
The royal family had a feast to celebrate the king's birthday.
there are privileges appertaining to the Royal family