Not all surnames similar to the surname Spanci are related to it. Sometimes it is possible to find surnames similar to Spanci that have a different origin and meaning.
Discerning whether the surname Spanci or any of the surnames similar to Spanci came first is not always easy. There are many reasons that could have led to the surname Spanci being written or pronounced differently, giving rise to a new, different surname Spanci with a common root.