Penmaen, a promontory, a rocky head.

Penrhyn, a promontory, a cape.

Pentrev, a village, a hamlet.

Perth, a brake, a thornbush.

Pistyll, a spout of water.

Plâs, a mansion, a hall.

Plwyv, a parish.

Pont, a bridge.

Porth, a gate, a ferry.

Pwll, a pit, a pool.