CONTRADICT v. 3 definitions
To assert the contrary of; to oppose in words; to take issue with; to gainsay; to deny the truth of, as of a statement or a speaker; to impugn. Dear Duff, I prithee, contradict thyself, And say it is not so. Shak. The future can not contradict the past. Wordsworth.
COUNTERPLOT v. 2 definitions
To oppose, as another plot, by plotting; to attempt to frustrate, as a stratagem, by stratagem. Every wile had proved abortive, every plot had been counterplotted. De Quinsey.