(PHP 5 >= 5.3.0, PECL enchant >= 0.1.0 )
enchant_dict_store_replacement — Add a correction for a word
Add a correction for 'mis' using 'cor'. Notes that you replaced @mis with @cor, so it's possibly more likely that future occurrences of @mis will be replaced with @cor. So it might bump @cor up in the suggestion list.
Dictionary resource
The work to fix
The correct word
Returns TRUE on success or FALSE on failure.