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NASPA Zyzzyva is a word study and word adjudication program.
NASPA Zyzzyva is an application for desktop and laptop computers, currently available for the Windows, macOS, and Linux operating systems.
Later in 2021, the new NASPA Zyzzyva Mobile app will be made available for iOS and Android devices. Please see that page for information about the mobile version.
Michael Thelen wrote the original version of what was then Zyzzyva, and maintained it for many years as it gained worldwide popularity. Zyzzyva has been used at software self-lookup stations at most North American SCRABBLE tournaments, including BAT, Oregon TILE, the Dallas Open, the National SCRABBLE Championship, National School SCRABBLE Championship, the Canadian National SCRABBLE Championship and the World SCRABBLE Championship.
In September 2014, NASPA bought all rights to Zyzzyva, and we have worked since then with our SCRABBLE partners to ensure access to all the official word lists for our members.
NASPA’s Zyzzyva Committee has continued development of the desktop edition of what became NASPA Zyzzyva. Their most recent work has been to factor off a common code base for all NASPA Zyzzyva platforms, desktop and mobile, so that they can be maintained in parallel. The Committee welcomes suggestions about improvements to the software.
The NASPA Zyzzyva FAQ, as with everything Zyzzyva-related, was originally written by Michael Thelen and then transferred to NASPA in 2014. It is now fully up to date with information about NASPA Zyzzyva.
NASPA will be updating this page as time permits; we welcome specific questions or suggestions at firstname.lastname@example.org.