1. King of Spain since 1975 (born in 1938)
   - Juan Carlos

Type of: king, male monarch, Rex

• hexadecanoic acid
• hexadecimal
• hexadecimal digit
• hexadecimal notation
• hexadecimal number system
• hexadecimal system
• Hexadrol
• hexagon
• hexagonal
• hexagram
• Hexagrammidae
• Hexagrammos
• Hexagrammos decagrammus
• hexahedron
• Hexalectris
• Hexalectris spicata
• Hexalectris warnockii
• hexamerous
• hexameter
• Hexamita
• Hexanchidae
• Hexanchus
• Hexanchus griseus
• hexane
• hexanedioic acid