seasickness vs kinetosis

seasickness and kinetosis both are nouns.

Word	Noun	Adjective	Verb	Adverb
seasickness	Yes	No	No	No
kinetosis	Yes	No	No	No

As nouns, kinetosis is a hypernym of seasickness; that is, kinetosis is a word with a broader meaning than seasickness:

seasickness: motion sickness experienced while traveling on water
kinetosis: the state of being dizzy or nauseated because of the motions that occur while traveling in or on a moving vehicle

Other hypernyms of seasickness include motion sickness.

seasickness (noun)	kinetosis (noun)
motion sickness experienced while traveling on water	the state of being dizzy or nauseated because of the motions that occur while traveling in or on a moving vehicle