ataxy vs ataxia

ataxy and ataxia both are nouns.

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

As nouns, ataxy and ataxia are synonyms defined as:

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

Other synonyms of ataxy include dyssynergia, motor ataxia.

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