Choose or find odd word - Arrow , Missile , Sword , Bullet , Spear

C. SWORD

Choose or find odd word - Whale , Dolphin , Shark , Cod , Starfish

A. WHALE

Choose or find odd word - Granite , Lignite , Peat , Anthracite , Bituminous

A. GRANITE

Choose or find odd word - Kennel , House , Stable , Aviary , Aquarium

B. HOUSE

Choose or find odd word - Sleet , Fog , Hailstone , Vapour , Mist

D. VAPOUR