Thanks Charles, appreciate the quick reply. Maybe I didnt fully grasp your response or maybe I followed the wrong set of instructions.

When I added them to the exception list neither recognise or recognize were flagged as typos, it seemed that the exception list I added them to excluded them from the spell check. Removing them allowed the spell check to run but this only flagged recognise and only when in US English settings.

the dictionary exclusion list I was modify was the "excludeDictionaryEN0809.lex" in the location:

C:\Users\*username*\AppData\Roaming\Microsoft\UPro of

Maybe you could assist me a little further ?

thanks again.