'Language' in the Bible

In that day there will be five towns in the land of Egypt using the language of Canaan, and making oaths to the Lord of armies; and one of them will be named, The Town of the Sun.

Never again will you see the cruel people, a people whose tongue has no sense for you; whose language is strange to you.

Then Eliakim and Shebna and Joah said to the Rab-shakeh, Please make use of the Aramaean language in talking to your servants, for we are used to it, and do not make use of the Jews' language in the hearing of the people on the wall.

Then the Rab-shakeh got up and said with a loud voice in the Jews' language, Give ear to the words of the great king, the king of Assyria: