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The '''Official SCRABBLE Players Dictionary''' (OSPD) is a popular reference book listing words of 2 to 8 letters and their possibly longer inflections. | The '''Official SCRABBLE Players Dictionary''' (OSPD) is a popular reference book listing words of 2 to 8 letters and their possibly longer inflections. | ||
It is published and edited by [[Merriam-Webster]] based on research conducted by the NASPA [[Dictionary Committee]]. | It is published and edited by [[Merriam-Webster]] based on research conducted by the NASPA [[Dictionary Committee]]. | ||
− | It is widely used in charity events, but | + | It is widely used in charity events, but no longer suitable for serious competition, which now instead use NASPA's larger [[Official Tournament and Club Word List]] (OTCWL) instead. |
== Differences between OSPD and OTCWL == | == Differences between OSPD and OTCWL == | ||
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The [[OSPD1|first edition]] of OSPD went on sale in 1978. | The [[OSPD1|first edition]] of OSPD went on sale in 1978. | ||
+ | It was the official word reference for words of up to eight letters and their inflections, | ||
+ | from 1978–09–01 to 1991–09–30, | ||
+ | preceded by [[Funk and Wagnalls College Dictionary]] and succeeded by [[OSPD2]]. |
The Official SCRABBLE Players Dictionary (OSPD) is a popular reference book listing words of 2 to 8 letters and their possibly longer inflections. It is published and edited by Merriam-Webster based on research conducted by the NASPA Dictionary Committee. It is widely used in charity events, but no longer suitable for serious competition, which now instead use NASPA's larger Official Tournament and Club Word List (OTCWL) instead.
OSPD and OTCWL differ as follows:
The fifth edition of OSPD went on sale on August 6, 2014. It was edited in tandem with OTCWL2014, and contains those words from that larger lexicon which are considered appropriate for school and recreational play, up to 8 letters in length.
The fourth edition of OSPD went on sale on 2005-06-15. It was edited in tandem with OTCWL2.
The third edition of OSPD went on sale on 1995-12-04. It was edited in tandem with the first edition of OTCWL, and was the first edition that did not include words that might cause offence.
The second edition of OSPD went on sale in April 1991. It was the official word reference for words of up to eight letters and their inflections, from 1991–10–01 to 1998–02–28, preceded by OSPD1 and succeeded by OTCWL1.
The NSA updated it twice by the publication of correction word lists. The first list took effect on a date not currently known to the editor of this webpage. The second list, referred to as the New Word List, took effect on 1994–05–01.
The first edition of OSPD went on sale in 1978. It was the official word reference for words of up to eight letters and their inflections, from 1978–09–01 to 1991–09–30, preceded by Funk and Wagnalls College Dictionary and succeeded by OSPD2.
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