Strong's Concordance G216

Mar 7:37  And were beyond measure astonished, saying, He hath done all things well: he maketh both the deaf to hear, and the dumbG216 to speak.

Mar 9:17  And one of the multitude answered and said, Master, I have brought unto thee my son, which hath a dumbG216 spirit;

Mar 9:25  When Jesus saw that the people came running together, he rebuked the foul spirit, saying unto him, Thou dumbG216 and deaf spirit, I charge thee, come out of him, and enter no more into him.