Your NOOK HD/HD+ has fonts that support languages based on a Latin character set for reading foreign language books, periodicals, and other digital content.
Some examples of supported languages include: Afrikaans, Basque, Catalan, Danish, Dutch, English, Finnish, French, German, Hungarian, Icelandic, Indonesian, Italian, Norwegian, Portuguese, Romanian, Spanish, Swedish, and Turkish.
Your NOOK may support books from other languages, but only if the foreign language characters are embedded in the font library of the digital file itself or if the file is a PDF file rendered as a graphic image.