The gnashing of teeth could be heard throughout the room.

The old tree was gnarling in the wind.

The old tree trunks were covered in gnarls.

He gnarls at anyone who interrupts him.

The waves at this beach are gnarlier than the ones at the other beach.

That was the gnarliest wave I've ever seen!

The surfers rode the gnars with skill and precision.

He gnars loudly when he is angry.

I need to brush my gnashers before bed.

The gnasher clenched his teeth in frustration.