spell(4) - phpMan

aspell (1)           - interactive spell checker
enchant (1)          - a spellchecker
hunspell (1)         - spell checker, stemmer and morphological analyzer
hunspell (4)         - format of Hunspell dictionaries and affix files
iso646.h (0p)        - alternative spellings
run-with-aspell (1)  - script to help use GNU Aspell as an ispell replacement
word-list-compress (1) - word list compressor/decompressor for GNU Aspell