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NASPA Zyzzyva 3.4.2

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NASPA Zyzzyva version 3.4.2 was released on 2024-10-17 for Windows, macOS, and Linux.

Release 3.4.2 is an incremental release that supersedes version 3.4.1.

CSW24 Support

Release 3.4.2 introduces support for the CSW24 lexicon. It continues to include the NWL2023, NSWL2023, NWL2020, NSWL2020, NWL2018, NSWL2018, CSW21, and Volost lexica.

This release includes definitions for both the CSW24 lexicon and its predecessor, CSW21.

If you use only the NASPA Word List, you do not need to upgrade to Version 3.4.2. There are no additional features or fixes in this release beyond CSW24 support and the provision of Collins definitions.

Installation Instructions

For step-by-step installation instructions, see:


To download NASPA Zyzzyva Mobile Release 3.4.2, click here.