Problem: Lowering the spelling sensitivity for a geocoding service produces additional candidates for addresses with the same street name
When finding candidates for an address, either in the Find dialog box in ArcMap, or in the Interactive Review dialog box, lowering the geocoding service's spelling sensitivity setting can generate additional candidates for the address that have the same street name as the address.
This is a known issue.
Solution or Workaround
Set the spelling sensitivity for the geocoding service to a lower value in order to reduce the occurrences of this problem.