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