intonate vs chant

intonate is not a noun while chant is a noun.

Word	Noun	Adjective	Verb	Adverb
intonate	No	No	Yes	No
chant	Yes	No	Yes	No

As verbs, intonate and chant are synonyms defined as:

intonate and chant: recite with musical intonation; recite as a chant or a psalm

Other synonyms of intonate include cantillate, intone.

intonate (noun)	chant (noun)
	a repetitive song in which as many syllables as necessary are assigned to a single tone

intonate (verb)	chant (verb)
recite with musical intonation; recite as a chant or a psalm	recite with musical intonation; recite as a chant or a psalm
speak carefully, as with rising and falling pitch or in a particular tone	utter monotonously and repetitively and rhythmically