Four words have been given, out of which three are alike in some manner and one is different. Select the odd one.

Let's analyze all the options:

(a) Cream – A dairy product made by skimming fat from milk.
(b) Cheese – A dairy product made by coagulating milk proteins.
(c) Butter – A dairy product made by churning cream or milk.
(d) Chocolate – Made from cocoa, not a pure dairy product. (Odd one out)

Thus, the correct option is (d).