Choose or find odd word - Coarse , Unrefined , Vulgar , Oafish , Blunt

E. BLUNT

Choose or find odd word - Uncle , Nephew , Brother , Cousin , Niece

C. BROTHER

Choose or find odd pair of words - (Broad : Wide) , (Light : Heavy) , (Tiny : Small) , (Big : Large)

B. LIGHT : HEAVY

Choose or find odd word - Hydrogen , Oxygen , Iodine , Nitrogen , Chlorine

C. IODINE

Choose or find odd word - Ballot , Manifesto , Election , Vote

C. ELECTION