Dictionary used in Scrabble
Official Tournament and Club Word List
Used for Scrabble Word Finder (Last check 28-02-2019)
Short name: OTCWL, OWL, or TWL
Current edition is OTCWL2018
The official word authority for tournament Scrabble in the USA, Canada and Thailand.
OWL3 contains every word in OSPD6 plus has additional words.
Number of words in our dictionary:
192111
link: https://en.wikipedia.org/wiki/Official_Tournament_and_Club_Word_List
Official checker: http://www.scrabbleplayers.org/w/Official_Tournament_and_Club_Word_List (www.scrabbleplayers.org/cgi-bin/services.pl)
Collins Scrabble Words
Used for Scrabble Word Finder (Last check 19-08-2020)
Short name: SOWPODS, CSW
Current edition is CSW19 (2019)
The word list used in English-language tournament Scrabble in most countries except the USA, Thailand and Canada. It is used in the World Scrabble Championships in the British and in the Australia, New Zealand, Malta and Emirates tournaments.
Number of words in our dictionary:
279496
link: https://en.wikipedia.org/wiki/Collins_Scrabble_Words
Official checker: https://www.collinsdictionary.com/scrabble/scrabble-word-finder
Official Scrabble Players Dictionary
Used for Scrabble Word Finder (Last check 19-08-2020)
OSPD6 : Official SCRABBLE Players Dictionary Sixth Edition (published 24 September 2018)
OSPD5 : Official SCRABBLE Players Dictionary Fifth Edition (published 06 August 2014)
OSPD4 : Official SCRABBLE Players Dictionary Fourth Edition (published late 2005)
List is the official word source of tournament Scrabble in the United States, Canada, Thailand and Israel. It ideal for school and family use. OSPD does not include base words longer than 8 letters. This is part of OTCWL2014.
Number of words in our dictionary:
177868
link: https://en.wikipedia.org/wiki/Official_Scrabble_Players_Dictionary
Official checker: https://scrabble.hasbro.com/en-us/tools (By Merriam-Webster)
Words With Friends Dictionary
Used for Scrabble Word Finder (Last check 19-08-2020)
The word list used by the Words With Friends (Words With Friends 2) is based on the Enhanced North American Benchmark Lexicon (ENABLE), with some additions words. This list used by many word games.
Number of words in our dictionary:
194987
link: https://en.wikipedia.org/wiki/Words_with_Friends
Official checker: https://wwf.zynga.com/wwf/web/r/production_dd/e67eae8baece0391f445/index.html