Scrabble letter distributions "X" are not used in Turkish and therefore do not appear in the set. Blanks may not represent these letters, meaning loanwords that may use them may not appear in the game at all. Tuvan-language Scrabble sets, which use Cyrillic letters, use these 125 tiles: The distribution lacks four letters used only in loanwords: Ф, Ц, Щ, and Ь. This version is made for educational purposes and is not an official edition by Mattel. An optimum Ukrainian-language Scrabble sets, which use Cyrillic letters, contain 104 tiles using this distribution: The apostrophe sign is also included, even though it is not
Scrabble is allowable in ordinary Scrabble, EEAIORT would be allowable in Clabbers. A junior version, called "Junior Scrabble", has been marketed. This has slightly different distributions of frequencies of letter tiles to the standard "Scrabble" game. Word games similar to or influenced by "Scrabble" include Bananagrams, Boggle, Dabble, Nab-It!, Perquackey, Puzzlage, Quiddler, Scribbage, Tapple, Upwords, and WordSpot and also Words of Gold. There are also number-based variations, such as Equate (game), GoSum, Mathable, Numble, Numbler, Triolet, Yushino and Numenko. The game has been released in numerous gameboard formats appealing to various user groups. The original boards included wood tiles and many