Choose or find odd word - Nun , Knight , Monk , Priest , Padre

B. KNIGHT

Choose or find odd word - Mackenzie , Yenisei , Michigan , Danube

C. MICHIGAN

Choose or find odd pair of words - (Saw : Wood) , (Pen : Paper) , (Author : Book) , (Chalk : Blackboard)

C. AUTHOR : BOOK

Choose or find odd word - Birch , Spruce , Cedar , Maple , Ebony

E. EBONY

Choose or find odd letter group - QUS , KOM , HLJ , NRP , BGD

E. BGD