Probably akin to phaino through the idea of disclosure; a tone (articulate, bestial or artificial); by implication, an address (for any purpose), saying or language -- noise, sound, voice.

see GREEK phaino

φωναὶ (phōnai) − 6 Occurrences

φωναῖς (phōnais) − 1 Occurrence

φωνὰς (phōnas) − 2 Occurrences

φωνὴ (phōnē) − 65 Occurrences

φωνὴν (phōnēn) − 40 Occurrences

φωνῆς (phōnēs) − 23 Occurrences

φωνῶν (phōnōn) − 2 Occurrences