words_dictionary is https://github.com/dwyl/english-words/blob/a77cb15f4f5beb59c15b945f2415328a6b33c3b0/words_dictionary.json from https://github.com/dwyl/english-words/tree/master licensed under "The Unlicense" https://github.com/dwyl/english-words/blob/a77cb15f4f5beb59c15b945f2415328a6b33c3b0/LICENSE.md