The school has a strict rule about attendance.

As a rule, students are not allowed to use their phones during class.

The ruling party won the election

Rugby, American football, and Australian rules football all come from soccer.

We cannot rule out the possibility that civil war will break out in that country.

I used a slide rule to calculate the measurements.

The danger of mob rule is that it can lead to the suppression of individual rights.

The city has implemented self-rule to govern its own affairs.

The city has been granted self-rule, allowing it to make decisions independently.

We make it a rule to clean the kitchen every night.