eurythmy vs eurhythmics

eurythmy and eurhythmics both are nouns.

Word	Noun	Adjective	Verb	Adverb
eurythmy	Yes	No	No	No
eurhythmics	Yes	No	No	No

As nouns, eurythmy and eurhythmics are synonyms defined as:

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

Other synonyms of eurythmy include eurhythmy, eurythmics.

eurythmy (noun)	eurhythmics (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