The [[OTCWL2014|third edition]] of the '''Official Tournament and Club Word List''' ('''OTCWL2014''', also known as '''OWL2014''', '''TWL2014''' or in older documents '''OWL3''') will be available for went on sale initially at the[[2014 National SCRABBLE Championship]] , is now available at the [[NASPA Store]], and
takes effect on December 1, 2014. See the [[OTCWL2014]] page for more details about that book.
The second edition of the word list (OTCWL2, a/k/a OWL2, TWL2)
is (until November 30, 2014) the official word list for [[NASPA]]-sanctioned [[club]] and [[tournament]]
play, and contains words of up to nine letters and their inflections.
(Longer words are listed in [[Long List]].) OTCWL2 is edited by the [[Dictionary Committee]]
The electronic word list is available to authorized [[SCRABBLE]] developers. If you are not sure if you have the correct version of the digital file, here are some statistics you can check. There are currently 101 2-letter words, 1015 3, 4030 4, 8938 5, 15788 6, 24029 7, 29766 8, 29150 9, 22326 10, 16165 11, 11417 12, 7750 13, 5059 14 and 3157 15, for a total of 178,691 words. (13 of those words are not playable using the standard 100 tiles: CLASSLESSNESSES, KNICKKNACK(S), PIZZAZZ(ES), PIZZAZZY, POSSESSEDNESSES, RAZZAMATAZZ(ES), RAZZMATAZZ(ES), SENSELESSNESSES, STRESSLESSNESS.) The master file lists all words in lower case in alphabetical order, one per line, with each line terminated by a Unix line break. It is 1763167 bytes long and has BSD checksum ('cksum -o 1') 12722, System V checkum ('cksum -o 2') 24638, 32-bit CRC ('cksum -o 3') 2022312244, ISO/IEC 8802-3:1989 checksum ('cksum') 427611949 and MD5 checksum dfd408f47cc1a324eb0ab5577910e4e3.
If your == Frequently Asked Questions about the Word List == ; Why is (my favorite word is ) not in the lexicon, or you think some of the words in the list shouldn't be acceptable?there, you should read about : See [[How lexicons are compiled|how lexicons are compiled]].; Why is (a common nine-letter word) not in OSPD?: OSPD lists only words of up to eight letters, and their inflections. For longer words, please consult OTCWL, beginning with its 2014 edition.; Why is ZEN not acceptable?: Because none of our source lexica list it spelled without a capital Z.; What's up with DA?: DA was deleted from the playing lexicon as of OSPD3 as a result of a major review of the original research that led to OSPD1; it is reentering the lexicon as of OTCWL2014, because it is listed in one of our new source lexica.
== Errata ==