Verbal Classification

All except Skeletons are synonyms and are concerned with superstitions.

All except Brigadier are ranks in navy, while Brigadier is a rank in army.

All except Ear are internal organs.

All except Edmund Hillary are astronauts, while Edmund Hillary is a mountaineer.

The mayor, governor, and senator are all persons elected to government offices; the lawyer is not an elected official.

All except Chile are islands.

In all other pairs, second is an essential part which serves the main purpose of the first.

All except Vega are constellations, while Vega is a star.

All except Physics are branches of Physics.

All others are adjectives.