nausea vs kinetosis

nausea and kinetosis both are nouns.

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

As nouns, kinetosis is a hyponym of nausea; that is, kinetosis is a word with a more specific, narrower meaning than nausea:

nausea: the state that precedes vomiting
kinetosis: the state of being dizzy or nauseated because of the motions that occur while traveling in or on a moving vehicle

Other hyponyms of nausea include motion sickness, morning sickness, qualm, queasiness, squeamishness.

nausea (noun)	kinetosis (noun)
disgust so strong it makes you feel sick	the state of being dizzy or nauseated because of the motions that occur while traveling in or on a moving vehicle
the state that precedes vomiting