Verses with the word dumb in the Apocrypha (3 verses):
2 Esdras 6:48
For the dumb water and without life brought forth living things at the commandment of God, that all people might praise thy wondrous works.
Wisdom of Solomon 10:21
For wisdom opened the mouth of the dumb, and made the tongues of them that cannot speak eloquent.
Letter of Jeremiah 1:40
Who if they shall see one dumb that cannot speak, they bring him, and intreat Bel that he may speak, as though he were able to understand.