I am building a word game in English. Is there a free list of words that I can download and use of a free service that can help validate the word entered by the user?
Check out The Oxford 3000™ http://www.oxfordlearnersdictionaries.com/wordlist/english/oxford3000/
or get it from https://en.oxforddictionaries.com/explore/word-lists
or you can check out this https://raw.githubusercontent.com/dwyl/english-words/master/words.txt