I collected several gall-nuts from the oak tree.

The oak-gall is a small round growth on oak trees.

I found a gall-nut on the forest floor.

St. Gall is a beautiful city in Switzerland.

The gall flower is a beautiful wildflower found in the countryside.

The garden was filled with beautiful gall flowers.

The Gall-Peters projection is a widely used equal-area map projection.

He vented his gall at the meeting, expressing his frustration with the company's management.

I collected several oak galls during my nature walk.

I found several knopper galls on the oak tree.