This Bible contradiction is from the Skeptic's Annotated Bible.
Genesis 11:7-9 View context
Go to, let us go down, and there confound their language, that they may not understand one another's speech.
So the LORD scattered them abroad from thence upon the face of all the earth: and they left off to build the city.
Therefore is the name of it called Babel; because the LORD did there confound the language of all the earth: and from thence did the LORD scatter them abroad upon the face of all the earth.
1 Corinthians 1:27 View context
But God hath chosen the foolish things of the world to confound the wise; and God hath chosen the weak things of the world to confound the things which are mighty;
1 Corinthians 14:33 View context
For God is not [the author] of confusion, but of peace, as in all churches of the saints.