A few word games doesn't seem too far off base for this wiki.
 vocabulary improvement game!
Hi! I want to introduce to everyone a useful game! it will help us learn in a fun way :)) Improve your vocabulary effectively! (submitted by User:Schroedermcken)
It's word undescrambler.
Word Unscrambler is a free online tool on the wordunscramble.co for unscrambling or solving scrambled words. It can help you generate valid words from puzzle games such as Scrabble, Words with Friends, Wordfeud, Wordscraper, and TextTwist, Nytimes spelling bee.
Find words when you’re stuck with some random letters, want to make words out of those scrambled letters. Make your words games with friends to be more fun with this tool. It also becomes easier to find answers for anagrams if you use word scramble on my website.
You can enter up to 12 letters, and it shows you the valid words. It can make from the scrambled letters on board. Using this word helper tool, you will make yourself stronger against your friends and learn plenty of useful words, new combinations of letters that would enrich your vocabulary. Try it now!