Not all surnames similar to the surname Digil are related to it. Sometimes it is possible to find surnames similar to Digil that have a different origin and meaning.
Errors in writing, voluntary changes by the bearers, modifications for language reasons... There are many reasons why the surname Digil may have undergone changes or modifications, and from those modifications, surnames similar to Digil may have appeared, as we can see.
Discerning whether the surname Digil or any of the surnames similar to Digil came first is not always easy. There are many reasons that could have led to the surname Digil being written or pronounced differently, giving rise to a new, different surname Digil with a common root.