Official word list (Collins Scrabble Words, formerly SOWPODS) for English Scrabble tournaments in most countries, excluding the US, Thailand, and Canada.

Official word list (Tournament Word List) for English Scrabble tournaments in the US, Canada, and Thailand. A simplified version of the international CSW list.

Custom dictionary for the Words With Friends game, based on American English. Includes modern slang, pop culture, and internet terms not in CSW/TWL. Frequently updated.