canto vs verse form

canto and verse form both are nouns.

Word	Noun	Adjective	Verb	Adverb
canto	Yes	No	No	No
verse form	Yes	No	No	No

canto (noun)	verse form (noun)
a major division of a long poem	a composition written in metrical feet forming rhythmical lines
the highest part (usually the melody) in a piece of choral music