Car sickness, also known as motion sickness, is a common problem that affects many people during car rides. However, there are several other synonyms that are used to describe this condition. These include kinetosis, travel sickness, motion sickness, sea sickness, and airsickness. Kinetosis is a medical term used to describe the physiological response to motion. Travel sickness is a broader term that encompasses motion sickness in any type of vehicle. Sea sickness is specifically related to motion on boats or ships. Lastly, airsickness is a type of motion sickness that occurs during air travel. Regardless of the term used, car sicknesses can be unpleasant and uncomfortable.