Commonage is the right to graze livestock on public land.

The commonalty is the general population.

Going to the grocery store is a commonplace activity.

Using common sense, she knew not to touch the hot stove.

Using common sense, she made the right decision.

It is commonsensical to wear a seatbelt while driving.

The government should prioritize the commonweal of its citizens.

The commonwealth is a group of countries that are united by their shared history and values.

The British Commonwealth of Nations consists of the United Kingdom, its territories, and the independent countries that were once part of the British Empire.