Tile tracking or 'consonant-heavy', how many S's or blanks are unseen, if an opponent is likely to have a bingo on their rack, or which tiles to play or conserve. For example, if Alice has the option of playing J(I)NN or J(I)LL, and four N's and zero L's remain unseen, then assuming both plays are otherwise equal (in terms of score, openings for the opponent), J(I)NN is likely the better play. Letter frequency lists for both Scrabble and Words with Friends are easily accessible (some versions of Scrabble have the tile distribution directly on the board) and, unlike word lists, using them
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