Dictionary Cleaner... One of the great features of Mac OS X has aways been the built-in spelling checker. Unfortunately, there's no easy way to see what words you've added. But with Dictionary Cleaner for Mac OS X, now you can.
Simple, easy to use interface to view, add, and delete your learned spellings
Easy to find System Preferences pane is just two clicks away from anywhere
Support for English, French, German, Spanish, Japanese, Chinese (Simplified and Traditional), Portugese, Polish, and Finnish
Don't have a custom dictionary? Dictionary Cleaner will create one for you, in your preferred language
Remove misspelled words
Takes advantage of Mac OS X 10.5 Leopard and Objective-C 2.0
Fantastic - one last thing it needs to make it 'perfect': sort the list contents alphabetically (as an option, of course - it's still useful to go straight to the last word you entered if it was duff). That'd make my heart go ping...