This text describes a tool that can help users solve crossword puzzles and find words with missing letters. The tool has a built-in thesaurus with over 500,000 words, phrases, and synonyms. Users can enter crossword clues to search for related words and phrases, and can use a hyphen to denote a space when searching for phrases. The tool can also solve anagrams and codewords, and has powerful filters to refine searches.<br/><br/>The tool has several features specifically designed for crossword puzzles. Users can use a question mark to represent a missing letter when searching for words, and can use the built-in thesaurus to find related words. The tool also has a feature for searching for crossword phrases, and users can use a hyphen to denote a space when searching for phrases. Additionally, the tool has a feature for solving codewords, and users can use filters to exclude letters they have already found.<br/><br/>The tool also has a feature for finding words with missing letters. Users can use a plus sign to represent blank letters when searching for words, and can enter a word to bring up a list of websites to look for the word definition. The tool also has a feature for providing hints and tips, and users can scroll through the tips for quick reminders of all the features. There is also an online user guide showing users how to use the app to crack cryptic crosswords.