The fact that there was no unified spelling for the surname Modduthir when the first surnames were formed allows us to find many surnames similar to Modduthir.
Not all surnames similar to the surname Modduthir are related to it. Sometimes it is possible to find surnames similar to Modduthir 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 Modduthir may have undergone changes or modifications, and from those modifications, surnames similar to Modduthir may have appeared, as we can see.
Discerning whether the surname Modduthir or any of the surnames similar to Modduthir came first is not always easy. There are many reasons that could have led to the surname Modduthir being written or pronounced differently, giving rise to a new, different surname Modduthir with a common root.