Alfonso is a Spanish name that has been used by many members of the royal family throughout history. The crossword solutions for Alfonso are Reyes (5 letters), Rey (3 letters), ENA (3 letters), Este (4 letters), and Borgia (6 letters). Reyes is the Spanish word for king, Rey is the Spanish word for king, ENA is an acronym for Estudios Nacionales de Administración, Este is the Spanish word for east, and Borgia is a surname of Italian origin.