Works best with just a few letters – Enabler - English Word Dictionary for WWF & Crossword with Over 250,000 Words Review
At first I didn't get it but put a couple of letters in and you get back a wealth of possibilities which is very enabling!
You could probably learn a quintillion words or so.
Update: still the best scrabble dictionary with the best name.
Review by ----arrrr---- on
Enabler - English Word Dictionary for WWF & Crossword with Over 250,000 Words.