Luke 1:64

Instantly his mouth was opened, his tongue loosed, and he spoke out blessing God.

Luke 1:20

But you will be silent and unable to speak till the day this happens, because you have not believed what I told you; it will be accomplished, for all that, in due time."

Matthew 9:33

and when the daemon had been cast out, the dumb man spoke. Then the crowd marvelled; they said, "Such a thing has never been seen in Israel!"

Mark 7:32-37

And a deaf man who stammered was brought to him, with the request that he would lay his hand on him.

Treasury of Scripture Knowledge

Summary

And his mouth was opened immediately, and his tongue loosed, and he spake, and praised God.

Bible References

His mouth

Luke 1:20
But you will be silent and unable to speak till the day this happens, because you have not believed what I told you; it will be accomplished, for all that, in due time."
Matthew 9:33
and when the daemon had been cast out, the dumb man spoke. Then the crowd marvelled; they said, "Such a thing has never been seen in Israel!"
Mark 7:32
And a deaf man who stammered was brought to him, with the request that he would lay his hand on him.