Synonyms for Vocalize:

n.

address, words, put (something) into words, utter, express yourself. stutter, tell, express, diction, articulation, communicate, declare, state, roll/trip/slip off the tongue, pronunciation, intone, verbalize, vent, convey, stammer. chant, carol, tune, sing. vocalize (noun)
sound, vocalise, phonate, vowelise, vowelize, voice.

v.

communication (verb)
voice, sound, vocalise.
put into words or song (verb)
convey, chant, voice, sing, talk, utter, say, sound, communicate, speak, verbalize, vent, express.
speak (verb)
debate, say, lecture, remark, orate, recite, discuss, prattle, patter, preach, gab, tattle, speak, chatter, voice, talk, chitchat, jabber, babble.

Other synonyms:

sing, verbalize. chant, carol, utter, express. vent. tell, communicate, declare. convey. verbalize
verbalize.
Other relevant words:
convey, sing, state, express, phonate, address, stutter, diction, vocalise, carol, intone, communicate, verbalize, stammer, sound, chant, vent, words, vowelise, vowelize, declare, articulation, pronunciation, tell, tune, utter.