Common terms:
* Peninsula: A large piece of land with a narrow neck connecting it to the mainland, surrounded by water on three sides.
* Cape: A point of land extending into a body of water, often with a more pronounced curve than a peninsula.
* Promontory: A high point of land that extends out into a body of water, often with cliffs.
* Spit: A narrow strip of land, often formed by deposited sediment, extending out into a body of water.
* Headland: A high point of land that extends out into the sea, often with a steep cliff face.
Less common terms:
* Point: A general term for any piece of land extending out into water.
* Prominence: Similar to a promontory, but can refer to a less pronounced feature.
* Foreland: A piece of land that extends out into a body of water and is often associated with a coastline.
The best term to use will depend on the specific characteristics of the piece of land.