English word quiz

An application for guessing a English word from first 2 letters and its meaning.
It's free.
You speak the guessing word and check whether you are right by voice search.
Using voice synthesis function you hear the questions so that you are accustomed to English hearing.(Speech rate varies at 3 speeds.)
You can omit the words that you already known well.
You can add words. You can also import your-own-made vocabulary files.