Nuspell is a spell checker library and command-line program designed
for languages with rich morphology and complex word compounding.
Nuspell is a pure C++ reimplementation of Hunspell.

Main features of Nuspell spell checker and morphological analyzer:

  - Full unicode support
  - Max. 65535 affix classes and twofold affix stripping (for
    agglutinative languages, like Azeri, Basque, Estonian, Finnish,
    Hungarian, Turkish, etc.)
  - Support complex compounds (for example, Hungarian and German)
  - Support language specific features (for example, special casing of
    Azeri and Turkish dotted i, or German sharp s)
  - Handle conditional affixes, circumfixes, fogemorphemes, forbidden
    words, pseudoroots and homonyms.
  - Free software. Licenced under GNU LGPL.

WWW: https://nuspell.github.io/