Vocalises

verb

1. To express with the voice, to utter.
2. (of animals) To produce noises or calls from the throat.

   "We could hear the monkeys vocalizing, though we could not see them."

3. To sing without using words.
4. To turn a consonant into a vowel.

   "In Hong Kong English, /l/ may be vocalized at the end of a syllable."

5. To make a sound voiced rather than voiceless.