This routine applies stemming algorithms to its parameters, returning the
stemmed words as appropriate to the selected locale.
Currently supported locales are:
EN - English (also EN-US and EN-UK)
DA - Danish
DE - German
GL - Galician
IT - Italian
NO - Norwegian
PT - Portuguese
SV - Swedish
WWW: http://search.cpan.org/~snowhare/Lingua-Stem/