choric vs chorus

choric is not a noun while chorus is a noun.

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

choric (noun)	chorus (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

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

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