Explanation:

- Option 1: drougth

This is the incorrectly spelled word. The correct spelling is "drought," which refers to a prolonged period of abnormally low rainfall, leading to a shortage of water.

- Option 2: dribble

This is spelled correctly. It usually means to let liquid come out of one's mouth, or in sports, it refers to bouncing a ball repeatedly.

- Option 3: dreadful

This is spelled correctly. It describes something which is extremely bad or unpleasant.

- Option 4: dreamy

This is also spelled correctly. It refers to something that is pleasant, gentle, and kind, resembling something out of a dream.