chorus vs choric

chorus is a noun but choric is not a noun.

Word	Noun	Adjective	Verb	Adverb
chorus	Yes	No	Yes	No
choric	No	Yes	No	No

chorus (noun)	choric (noun)
the part of a song where a soloist is joined by a group of singers
any utterance produced simultaneously by a group
a group of people assembled to sing together
a body of dancers or singers who perform together
a company of actors who comment (by speaking or singing in unison) on the action in a classical Greek play

chorus (adjective)	choric (adjective)
	relating to or written for or in the style of a Greek chorus

chorus (verb)	choric (verb)
utter in unison
sing in a choir