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

C. ELECTION

Choose or find odd word - Phi , Gamma , Delta , Peso , Beta

D. PESO

Choose or find odd word - Crane , Flamingo , Cuckoo , Curlew , Duck

C. CUCKOO

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

E. BLUNT

Choose or find odd word - Rival , Spouse , Partner , Colleague , Companion

A. RIVAL