Hornets are a type of stinging insect with a venomous sting. Synonyms for the word hornets include wasps, yellow jackets, baldfaced hornets, and paper wasps. These insects belong to the same family of stinging insects and have similar physical features and behaviors. Hornets, wasps, and yellow jackets are known for their aggressive defense of their nests and can cause painful stings if provoked. Bald-faced hornets and paper wasps are slightly less aggressive but can still pose a threat to humans. It is important to be cautious when encountering these stinging insects and to seek medical attention if stung.