The thieves demanded king's ransoms for the safe return of the hostages.

They demanded kings' ransoms for the safe return of the hostages.

I really enjoy playing kinetic novels.

I enjoy playing kinetic novels on my computer.

He was given the keys of the kingdom.

He was a make-king in the medieval times.

The divine right of kings was a belief that monarchs were chosen by God and had absolute power.

The kings of the hill gathered to discuss their strategies.

The vegetable kingdom refers to all the plants and organisms that belong to the plant kingdom.

The plant kingdom is collectively known as the Plantae.