Verbs

(v)tone, chant, intoneutter monotonously and repetitively and rhythmically“The students chanted the same slogan over and over again”
(v)chant, intone, intonate, cantillaterecite with musical intonation; recite as a chant or a psalm“The rabbi chanted a prayer”
(v)intonate, intonespeak carefully, as with rising and falling pitch or in a particular tone“please intonate with sadness”