This page contains some Scrabble related notes, not necessarily cited, to use as a reference elsewhere.

• https://isc.ro/en/commands/dictionaries.html
• https://word.tips/wordfeud
• https://blog.wordfeud.com

Note: I haven't bothered listing groups that only have a Facebook page.

• World English-Language Scrabble Players Association
• Federation Internacional de Scrabble en Español
• Fédération Internationale de Scrabble Francophone

• All Ireland Scrabble Association
• Association of British Scrabble Players
• Australian Scrabble Players Association
• Hong Kong Scrabble Players Association
• Malaysian Scrabble Association
• Malta Scrabble Club
• New Zealand Association of Scrabble Players
• Nigeria Scrabble Federation
• North American Scrabble Players Association
• Pakistan Scrabble Association
• Scrabble Association of India
• Scrabble Association, Singapore
• Scrabble Federation of Sri Lanka
• Scrabble Kenya
• Scrabble South Africa
• The Tel Aviv Scrabble Club

• Fédération Belge de Scrabble (Belgian Scrabble Federation)
• Fédération Française de Scrabble (French Scrabble Federation)
• Association libanaise de Scrabble (Lebanese Scrabble Association)
• Fédération luxembourgeoise de Scrabble (Luxembourg Scrabble Federation)
• Fédération suisse de Scrabble (Swiss Scrabble Federation)
• Fédération québécoise des clubs de Scrabble francophone (Quebec Federation of Francophone Scrabble Clubs)

• Asociación Argentina de Scrabble (Argentine Scrabble Association)
• Asociación Escrablistica
• Federación Mexicana de Léxico (Mexican Federation of Lexicon)
• Asociación de Jugadores de Scrabble (Scrabble Players Association)
• Asociación Venezolana de Scrabble (Venezuelan Scrabble Association)

• Dansk scrabbleforening (Danish Scrabble Association)
• Norsk Scrabbleforbund (Norwegian Scrabble Association)
• Polska Federacja Scrabble (Polish Scrabble Federation)
• Federația Română de Scrabble (Romanian Scrabble Federation) (Note: they also hold the "Romanian Francophone Scrabble Festival")
• Svenska Scrabbleförbundet (Swedish Scrabble Association) (Note: website seems very outdated or abandoned)
• Thai Crossword

Note: By "North American", I mean what is done on sets produced by Hasbro (who own the Scrabble trademark in the USA and Canada), tournament rules set by NASPA, or occasionally elsewhere in the world that choose to use those rules.

• In NA, the lexicon only includes American English words. Elsewhere both American and non-American English variants are acceptable, thus the NASPA word list is a subset of the CSW list.
• In NA, the "Double Challenge" rule is used, where a failed challenger misses a move. Elsewhere the "Single Challenge" (sometimes called a "Free Challenge") rule is used, where the challenger never misses a move.
• In NA, a 7 letter word, for which the player is awarded 50 extra points, is called a "Bingo", elsewhere it is a "Bonus".
• In NA, columns are labelled with letters and rows are labelled with numbers, elsewhere it's the other way around.

It's mentioned on a couple of pages that English-language Scrabble in Israel and Thailand use NASPA rules, but I've been unable to find a source for that other than Wikipedia.

Language	Local name	Word list	Alphabet (Script)	Number of tiles	Official?
Afrikaans	Krabbel		Afrikaans (Latin)	102	Yes[1]
Anglo-Saxon		An Anglo-Saxon Dictionary[2]	Old English (Latin)	101	No
Arabic			Arabic (Arabic)	100	Yes[1]
Armenian			Armenian	146	No
Bambara			(Latin)	106	No
Basque			Basque (Latin)	100	No
Bicolano			Abakada (Latin)	102	No
Breton	Skrabell		Breton (Latin)	100	No
Bulgarian			Bulgarian (Cyrillic)	102	Yes[1]
Catalan			Catalan (Latin)	100	Yes[1]
Croatian			Gaj's Latin (Latin)	103	Yes[1]
Czech			Czech (Latin)	100	Yes[1]
Dakelh			(Latin)	100	No
Dakota			Dakota (Latin)	100	No
Danish		Retskrivningsordbogen[3][4][5]	Danish (Latin)	100	Yes[1]
Dutch			Dutch (Latin)	102	Yes[1]
English		CSW (Worldwide), NWL (North America)	English (Latin)	100	Yes[1]
Esperanto			Esperanto (Latin)	100	No
Estonian			Estonian (Latin)	102	No
Faroese	Krossorðaspæl		Faroese (Latin)	102	No
Finnish			Finnish (Latin)	100	Yes[1]
French		L'Officiel du jeu Scrabble	French (Latin)	102	Yes[1]
Galician			(Latin)	100	No
German			German (Latin)	102	Yes[1]
Greek			Greek	104	Yes[1]
Gwichʼin			Northern Athabaskan (Latin)	200	No
Haitian Creole			Haitian Creole (Latin)	100	No
Hausa			Boko (Latin)	114	No
Hawaiian			Hawaiian (Latin)	100	No
Hebrew	נא‎-שבץ‎		Hebrew	100	Yes[1]
Hungarian			Hungarian (Latin)	100	Yes[1]
Icelandic			Icelandic (Latin)	104	Yes[1]
Igbo			Pan-Nigerian (Latin)	134	No
Indonesian			Malay (Latin)	100	No
IPA English			IPA (Latin)	106	No
Irish	Scrabble as Gaeilge		Irish (Latin)	100	Yes[6]
Italian		Zingarelli[7]	Italian (Latin)	120	Yes[1]
Japanese Hiragana			Hiragana (Japanese)	100	No
Japanese Romaji			Rōmaji (Latin)	102	No
Klingon			Klingon	100	No
Latin			Latin alphabet (Latin)	100	No
Latvian			Latvian (Latin)	104	No
L33t			(Latin)	103	No
Lithuanian			Lithuanian (Latin)	104	No
Lojban			Lojban (Latin)	160	No
Malagasy			Malagasy (Latin)	102	No
Malaysian			Malay (Latin)	100	Yes[1]
Māori	Scramble/Kuputupu		(Latin)	225	No
Math			Arabic numerals	103	No
Norwegian		Tanums store rettskrivningsordbok[8]	Norwegian (Latin)	100	Yes[1]
Nuxalk			Nuxalk (Latin)	212	No
Persian			Persian (Arabic)		No
Pinyin	PinyinPal		Pinyin (Latin)	100	No
Polish		Oficjalny Słownik Polskiego Scrabblisty [pl]	Polish (Latin)	100	Yes[1]
Portuguese			Portuguese (Latin)	120	Yes[1]
Romanian		Lista Oficială de Cuvinte[9][10]	Romanian (Latin)	100	No
Russian			Russian (Cyrillic)	104	Yes[1]
Scottish Gaelic			Scottish Gaelic (Latin)	104	No
Cyrillic Serbian			Serbian Cyrillic (Cyrillic)	102	No
Slovak			Slovak (Latin)	100	Yes[1]
Slovenian			Slovenian (Latin)	100	Yes[1]
Spanish	Escarbar	Lexicón FISE 2[11]	Spanish (Latin)	100	Yes[1]
Swedish		Svenska Akademiens ordlista[12]	Swedish (Latin)	100	Yes[1]
Tswana			(Latin)	104	No
Turkish			Turkish (Latin)	100	Yes[1]
Tuvan			Cyrillic	125	No
Ukrainian			Ukrainian (Cyrillic)	104	No
Welsh	Scrabble yn Gymraeg		Welsh (Latin)	105	Yes[13]
Zhuyin			Bopomofo	100	No

Type	Publisher	Edition	Title	Year	ISBN	Binding	Max Word Length	With Definitions?	Note
CSW/SOWPODS	HarperCollins	CSW19	Collins Official Scrabble Words	2020	9780008320133	Paperback
			Collins Scrabble Dictionary Gem Edition	2020	9780008320188	Paperback	7	No	Gem
			Collins Scrabble Dictionary	2019	9780008320140	Paperback	9	Yes
			Collins Ultimate Scrabble Dictionary and Word List	2019	9780008320287	Hardback	15	Up to 9 letters
			Collins Scrabble Dictionary	2019	9780008320157	Hardback	9	Yes
			Collins Official Scrabble Words	2019	9780008320126	Hardback
		CSW15	Collins Scrabble Dictionary Gem Edition	2017	9780007589104	Paperback	7	No	Gem
			Collins Scrabble Dictionary	2016	9780007589128	Paperback	8	Yes
		CSW12	Collins Scrabble Dictionary	2013	9780007537952	Paperback	9	Yes
			Collins Gem Scrabble Dictionary	2012	9780007538126	Paperback	7	No	Gem
			Collins Official Scrabble Lists	2011	9780007425631	Paperback
			Collins Scrabble Dictionary	2011	9780007436064	Paperback	9	Yes
			Collins Official Scrabble Words	2011	9780007425624	Hardback
		CSW07	Collins Scrabble Dictionary	2010	9780007331987	Paperback
			Collins Deluxe Scrabble Dictionary	2009	9780007333493	Hardback		Yes	Deluxe
			Collins Pocket Scrabble Dictionary	2008	9780007809981	Hardback		No	Pocket
			Collins Scrabble Words	2006	9780007233151	Paperback
			Collins Scrabble Dictionary	2006	9780007213597	Paperback	9	Yes
			Collins Gem Scrabble Dictionary	2005	9780007191567	Paperback		Yes	Gem
		?	Collins Official Scrabble Words	2004	9780007190195	Hardback
		?	Collins Scrabble Tournament & Club Word List	2007	9780007258840	Paperback
NWL/TWL	NASPA	4	NASPA Word List				15	No
	Merriam-Webster	3.1	Official Tournament and Club Word List - 2016 Edition	2016	9780877797449	Paperback		No
		3	Official Tournament and Club Word List - 2014 Edition	2014	?	Paperback		No
		2	NSA Official Tournament and Club Word List	2005	9780877796350	Paperback		No
		1		1997	9780877796176	Paperback		No
OSPD	Merriam-Webster	6	The Official Scrabble Players Dictionary	2018	9780877795964	Paperback	8	Yes	Mass Market
				2018	9780877796770	Paperback		Yes	Trade
				2018	9780877794226	Hardback		Yes
		5		2014	9780877798224	Paperback		Yes
				2014	9780877796497	Paperback		Yes	Large Print
				2014	9780877796664	Paperback		Yes	Platinum
				2014	9780606369206	Hardback		Yes
		4		2010	9780877796657	Paperback		Yes	Platinum
				2008	9780756639990	Hardback		Yes	Illustrated
				2005	9780877799290	Paperback		Yes	Mass Market
				2005	9780877794202	Hardback		Yes
		?		2002	9781865153827	Paperback		Yes	Large Print
		3		1998	9780877796237	Paperback		Yes	Large Print
				1996	9780877799153	Paperback		Yes	Mass Market
				1995	9780877792208	Hardback		Yes
		2		1993	9780877799085	Paperback		Yes	Mass Market
				1991	9780877791201	Hardback		Yes
		1		1982	9780671459369	Paperback		Yes
				1978	9780671831462	Paperback		Yes
				1978	9780877790204	Hardback		Yes
		?		?	9780877796459	Paperback		Yes	Onyx
ODS	Éditions Larousse	8	L'Officiel du jeu Scrabble	2020	9782035991157	Hardback
				2019	9782035962461	Hardback
		?		2017	9782035954176	Hardback			70th
		?		2017	9780320088957	Hardback
		7		2015	9782035885326	Hardback
				2011	9782035863492	Hardback
				2010	9782035854414	Hardback
				2007	9782035822208	Hardback
				2006	9782035602312	Hardback
				2003	9782033402204	Hardback
				1998	9782033402266	Paperback
				1998	9782033402259	Hardback

Notes and Links

• Collins edition comparison graphic
• NASPA's Wiki
  • OTCWL
  • OSPD
• Glossary and History
• Books with titles ending in "Words" tend to go up to 15 letters with no definitions, but books with titles ending in "Dictionary" tend to have short definitions and go up to about 7 to 9 letters.
• Pocket/Gem versions never have definitions, apart from the Collins 2005 edition apparently.
• I have no idea how Platinum, Onyx,or Illustrated editions differ.
• Collins and Merriam-Webster have published many companion books, which include advice and guides, which may include word lists or sub-lists, and are sold alongside the main word list books. These are not included here.
• Before official Scrabble-specific lists started to be published, several pre-existing dictionaries were used, such as Chambers, Merriam-Webster's Collegiate, Funk & Wagnalls, and Petit Larousse. These are not included here.