Lifeboat and Motorboat

Lifeboat noun - A strong sea boat designed to rescue people from a sinking ship.

Motorboat and lifeboat are semantically related in sea topic. In some cases you can use "Motorboat" instead a noun "Lifeboat", when it comes to topics like boat.

Motorboat noun - A boat equipped with a motor.

Lifeboat and motorboat are semantically related in sea topic. You can use "Lifeboat" instead a noun "Motorboat".