My friend's last name is Gabbert.

The Gabberts are a well-known family in the town.

Gabbronites are commonly found in igneous rocks.

Gabbronite is a rare mineral found in igneous rocks.

The gabbleratchets in the tree were making a lot of noise.

The gabbleratchet was making a loud noise outside my window.

She couldn't understand his gibble-gabble.

Gabbrodolerites are commonly found in volcanic regions.

The gabbrodolerite formation is found in the northern region.

He was known for his constant gabblement during meetings.