G0880–ἄφωνος–aphōnos

Now the place in the book where he was reading was this: He was taken, like a sheep, to be put to death; and as a lamb is quiet when its wool is being cut, so he made no sound:

ἄφωνος, aphōnos “[is] silent,”

You are conscious that when you were Gentiles, in whatever way you were guided, you went after images without voice or power.

ἄφωνα aphōna “mute”

There are, it may be, a number of different voices in the world, and no voice is without sense.

ἄφωνον· aphōnon “without meaning;”

But his wrongdoing was pointed out to him: an ass, talking with a man's voice, put a stop to the error of the prophet.

ἄφωνον aphōnon “mute”