Find out that word, the spelling of which is wrong.

Tuberculosis
Trachery
Tincture
Thwart

The correct answer is C. Tincture.

The other options, A. Tuberculosis, B. Trachery, and D. Thwart, are all spelled correctly.

Tuberculosis is a disease caused by the bacterium Mycobacterium tuberculosis. It usually affects the lungs, but it can also affect other parts of the body, such as the bones, kidneys, and brain.

Trachey is a word that is not used in the English language. It may be a misspelling of the word “trachea,” which is the windpipe.

Thwart is a verb that means to prevent or defeat something.