There are a few spelling errors in ArcIS Online geocoding results when the World Geocode Service is used for searching addresses.
Last Published: October 19, 2016ArcGIS Online
Bug ID Number
November 21, 2014
June 11, 2020
Operating System Version
2008 R2 64 Bit
After review by the development team, it has been determined that this issue is related to a known limitation with the software that lies outside of Esri's control. The issue's Additional Information section may contain further explanation.