Out of four words, three are same in certain way, while the rest one is different. Find out the different one.
ABird
BCrow
CKite
DPigeon
ABird
BCrow
CKite
DPigeon
Related Questions:
Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which letter-cluster DOES NOT belong to that group?
(Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)