eurhythmy vs eurythmics

eurhythmy and eurythmics both are nouns.

Word	Noun	Adjective	Verb	Adverb
eurhythmy	Yes	No	No	No
eurythmics	Yes	No	No	No

As nouns, eurhythmy and eurythmics are synonyms defined as:

eurhythmy and eurythmics: the interpretation in harmonious bodily movements of the rhythm of musical compositions; used to teach musical understanding

Other synonyms of eurhythmy include eurhythmics, eurythmy.

eurhythmy (noun)	eurythmics (noun)
the interpretation in harmonious bodily movements of the rhythm of musical compositions; used to teach musical understanding	the interpretation in harmonious bodily movements of the rhythm of musical compositions; used to teach musical understanding