Yes, voice is a Scrabble word!

Verb

1. Give voice to

2. Utter with vibrating vocal chords

Noun

1. The distinctive quality or pitch or condition of a person's speech

2. The sound made by the vibration of vocal folds modified by the resonance of the vocal tract

3. A sound suggestive of a vocal utterance

4. Expressing in coherent verbal form

5. A means or agency by which something is expressed or communicated

6. Something suggestive of speech in being a medium of expression

7. (metonymy) a singer

8. An advocate who represents someone else's policy or purpose

9. The ability to speak

10. (linguistics) the grammatical relation (active or passive) of the grammatical subject of a verb to the action that the verb denotes

11. The melody carried by a particular voice or instrument in polyphonic music