'Speech' in the Bible

And Lamech said unto his wives, Adah and Zillah, Hear my voice; ye wives of Lamech, hearken unto my speech: for I have slain a man to my wounding, and a young man to my hurt.

And the whole earth was of one language, and of one speech.

Go to, let us go down, and there confound their language, that they may not understand one another's speech.