15 Common English Words You Might Be Using Incorrectly! By Lammat - July 20, 2017 0 581 7. Untenable via Incorrect: unbearable. Correct: unsustainable or indefensible. 8. Forego via Incorrect: to give up. Correct: to go before. 9. Unique via Incorrect: special or unusual. Correct: the only one of its kind.