Memrise memorization!
Return to Memrise. Do at least 2 more learning (growing) sessions in each of your three pinned classes. Memrise will also highlight for you the words that it thinks you ought to review (water). Review all of those words.
If you'd like to follow me on memrise to compare progress, my username is zgabriel. Feel free to add your username in a comment if you would like other folks here to follow you.