Check out Amazon, they seem to have a number of hand held electronic dictionary type devices. Franklin and Seiko are names that comes to mind!.
Perhaps a rather silly suggestion, but would a spell-checker do?.
Samsung Galaxy S9 review
Wacom Cintiq Pro 24 and 32 review – hands-on
When is the next Apple event?
Gmail : comment annuler l’envoi d’un e-mail ?