The i Phones we used for testing were all restored to factory settings and therefore had no usage history.
Note that the software in question is slightly different from autocorrect.
The industry even has a term for it—the “kill list”—according to Aaron Sheedy, vice president of text input at Nuance Communications, the company that pioneered T9 and the new Swype keyboard technology used on many Android devices.
For devices shipped to mainland China, for instance, Sheedy explains, a “kill list” of words specific for that country will be loaded onto the device according to filter specifications from OEMs, or original equipment manufacturers.
S., but the technology to limit some words exists in the industry.