kinetosis vs ailment

kinetosis and ailment both are nouns.

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

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

kinetosis: the state of being dizzy or nauseated because of the motions that occur while traveling in or on a moving vehicle
ailment: an often persistent bodily disorder or disease; a cause for complaining

Other hypernyms of kinetosis include complaint, ill, nausea, sickness.

kinetosis (noun)	ailment (noun)
the state of being dizzy or nauseated because of the motions that occur while traveling in or on a moving vehicle	an often persistent bodily disorder or disease; a cause for complaining