song vs chorus

song and chorus both are nouns.

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

song (noun)	chorus (noun)
the act of singing	the part of a song where a soloist is joined by a group of singers
a short musical composition with words	any utterance produced simultaneously by a group
the characteristic sound produced by a bird	a group of people assembled to sing together
a distinctive or characteristic sound	a body of dancers or singers who perform together
a very small sum	a company of actors who comment (by speaking or singing in unison) on the action in a classical Greek play

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