Choose the word which is different from the rest.

Neigh
Roar
Hiss
Grunt E. Thump

The answer is E, thump. The other four words are all sounds that animals make. Neigh is the sound that a horse makes, roar is the sound that a lion makes, hiss is the sound that a snake makes, and grunt is the sound that a pig makes. Thump is not a sound that an animal makes. It is a sound that can be made by a variety of objects, such as a person’s footsteps or a drum.

Neigh is a high-pitched sound that horses make, typically when they are excited or calling for attention. Roar is a deep, loud sound that lions make, typically when they are warning off predators or attracting mates. Hiss is a sharp, high-pitched sound that snakes make, typically when they are threatened or about to attack. Grunt is a low, guttural sound that pigs make, typically when they are eating or being fed. Thump is a loud, heavy sound that is made when something hits the ground or another object with force.