The definitive language guide to the Spanish-speaking world Spanish is the most popular language in the world, spoken not only in Spain and Latin America but all over the globe. While these countries share a common language, each has its own vocabulary. Vox Diccionario de uso del espanol de America y Espana covers all of these different vocabularies in the most up-to-date and comprehensive reference to Spanish available. The Vox Diccionario de uso del espanol de America y Espana includes: Vocabulary unique to various regions More than 50,000 entries and 112,000 definitions 100,000 usage examples.