Choose the word which is different from the rest.

Goat
Puppy
Cow
Buffalo

The answer is B. Puppy.

A goat, a cow, and a buffalo are all adult animals, while a puppy is a young dog.

A goat is a domesticated ruminant mammal with a beard and horns that is kept as a milk and meat producer or for its hair.

A cow is a large domesticated ruminant mammal with horns and a large dewlap, kept as a source of milk and meat.

A buffalo is a large wild ox with a large head and horns, found in Asia and Africa.