The second edition of the '''Official Club and Tournament Word List''' (OCTWL2, also known as OWL2 or TWL2)
is the official word list for [[NASPA]]-sanctioned [[club]] and [[tournament]]
play, and contains words of up to nine letters and their inflections.
The OCTWL2 is edited by the [[Dictionary Committee]], published by
[[Merriam-Webster]] and available only from [[Word Gear]].
The tournament word list is not available to the public in electronic form;
it can be purchased in print from NSA Word Gear.
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. 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.
== Errata ==
The word ANTEFIXAE was incorrectly omitted from the printed edition of OCTWL1. Incorrectly omitted from OCTWL2: CRABAPPLE (p. 98), CRABAPPLES (p. 98), DEVELOPPES (p. 118), GODDAMNDEST (p. 186), MUNCHABLES (p. 279) and VIREONINES (p.485). Incorrectly included in OCTWL2: CRABABBLE (p. 98), CRABABBLES (p. 98), GODAMNDEST (p. 186) and WEAPONEERED (p. 491).