chant vs verbalize

chant is a noun but verbalize is not a noun.

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

As verbs, verbalize is a hypernym of chant; that is, verbalize is a word with a broader meaning than chant:

Other hypernyms of chant include mouth, speak, talk, utter, verbalise.

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

chant (verb)	verbalize (verb)
recite with musical intonation; recite as a chant or a psalm	convert into a verb
utter monotonously and repetitively and rhythmically	express in speech
	be verbose
	articulate; either verbally or with a cry, shout, or noise