Motion sickness and Mountain sickness

Motion sickness noun - The state of being dizzy or nauseated because of the motions that occur while traveling in or on a moving vehicle.

Mountain sickness and motion sickness are semantically related. In some cases you can use "Mountain sickness" instead a noun phrase "Motion sickness".

Mountain sickness noun - Nausea and shortness of breath experienced by mountain climbers above ten thousand feet.

Motion sickness and mountain sickness are semantically related. You can use "Motion sickness" instead a noun phrase "Mountain sickness".