Genesis 11:7
"Go to, let us go down, and there confound their language, that they may not understand one another’s speech."
Cross References (ranked by relevance)
The LORD bringeth the counsel of the heathen to nought: he maketh the devices of the people of none effect.
Destroy, O Lord, and divide their tongues: for I have seen violence and strife in the city.
And God said, Let us make man in our image, after our likeness: and let them have dominion over the fish of the sea, and over the fowl of the air, and over the cattle, and over all the earth, and over every creeping thing that creepeth upon the earth.
If therefore the whole church be come together into one place, and all speak with tongues, and there come in those that are unlearned, or unbelievers, will they not say that ye are mad?
Lo, I will bring a nation upon you from far, O house of Israel, saith the LORD: it is a mighty nation, it is an ancient nation, a nation whose language thou knowest not, neither understandest what they say.
The LORD shall bring a nation against thee from far, from the end of the earth, as swift as the eagle flieth; a nation whose tongue thou shalt not understand;
He that sitteth in the heavens shall laugh: the LORD shall have them in derision.
And the LORD God said, Behold, the man is become as one of us, to know good and evil: and now, lest he put forth his hand, and take also of the tree of life, and eat, and live for ever:
He removeth away the speech of the trusty, and taketh away the understanding of the aged.
Also I heard the voice of the Lord, saying, Whom shall I send, and who will go for us? Then said I, Here am I; send me.
And the LORD came down to see the city and the tower, which the children of men builded.
And they knew not that Joseph understood them; for he spake unto them by an interpreter.
These are the sons of Ham, after their families, after their tongues, in their countries, and in their nations.
These are the families of the sons of Noah, after their generations, in their nations: and by these were the nations divided in the earth after the flood.
By these were the isles of the Gentiles divided in their lands; every one after his tongue, after their families, in their nations.