Nur al-Din
Among the variant romanized spellings in common use are "Nuraddin", "Nureddin", "Noureddin", "Noureddine", "Nooradeen", "Noordeen", "Nourdin", "Noordine", "Nordine", "Nuradin", "Nurdin"; scientific transliterations are "Nur ad-Din", "Nur-ud-Din", "Nur al-Din", etc.