Choose the correct alternative for the word belongs to the same group.

Pituitary : Thyroid : Pancreas

Atienation is to Enstrangement as Paranoia is to.........?

cobra is related to snake in the same way leopard is related to

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Numismatist : Coins

Hygrometer is to Humidity as Sphygmomanometer is to

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Fruit : Banana : : Mammal : ?