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) Nose – A sense organ used for smelling.
(b) Tongue – A sense organ used for tasting.
(c) Stomach – An internal organ used for digestion, not a sense organ.
(d) Ears – A sense organ used for hearing.
Odd One Out:
Nose, Tongue, and Ears are sense organs.
Stomach is not a sense organ; it is a digestive organ.
Thus, the correct option is (c) Stomach.