ataxia vs ataxy

ataxia and ataxy both are nouns.

Word	Noun	Adjective	Verb	Adverb
ataxia	Yes	No	No	No
ataxy	Yes	No	No	No

As nouns, ataxia and ataxy are synonyms defined as:

ataxia and ataxy: inability to coordinate voluntary muscle movements; unsteady movements and staggering gait

Other synonyms of ataxia include dyssynergia, motor ataxia.

ataxia (noun)	ataxy (noun)
inability to coordinate voluntary muscle movements; unsteady movements and staggering gait	inability to coordinate voluntary muscle movements; unsteady movements and staggering gait