ailment vs kinetosis

ailment and kinetosis both are nouns.

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

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

ailment: an often persistent bodily disorder or disease; a cause for complaining
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 ailment include pip, motion sickness.

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