'Speak a Word' in the Bible

And the centurion said, I am not a fit person, that thou shouldest come under my roof: but only speak a word, and my servant be cured.

And whosoever may speak a word against the Son of man, it shall be forgiven him: but whosoever shall speak against the Holy Ghost, it shall not be forgiven him, neither in this world, nor in the world to come.

And when he was just ready to be carried into the fortress, Paul said to the military tribune, May I be permitted to speak a word to thee? And he said, Dost thou know Greek?