intonation vs chanting

intonation and chanting both are nouns.

Word	Noun	Adjective	Verb	Adverb
intonation	Yes	No	No	No
chanting	Yes	No	No	No

As nouns, intonation and chanting are synonyms defined as:

intonation (noun)	chanting (noun)
the act of singing in a monotonous tone	the act of singing in a monotonous tone
singing by a soloist of the opening piece of plainsong
the production of musical tones (by voice or instrument); especially the exactitude of the pitch relations
rise and fall of the voice pitch