It is common to find surnames similar to Ragaventhra. This is because many times the surname Ragaventhra has undergone mutations.
Discerning whether the surname Ragaventhra or any of the surnames similar to Ragaventhra came first is not always easy. There are many reasons that could have led to the surname Ragaventhra being written or pronounced differently, giving rise to a new, different surname Ragaventhra with a common root.