GCA

1. Ground control (or controlled) approach system, or ground control apparatus (aeronautics)
2. Guatemala, Central America (IVR)

• ricinoleic acid
• ricins
• Ricinulei
• Ricinus
• rick
• rick-barton
• rick-bartons
• rick-burner
• rick-burners
• ricked
• ricker
• rickers
• ricket
• ricketier
• ricketiest
• ricketily
• ricketiness
• ricketinesses
• rickets
• rickettsia
• Rickettsia body
• Rickettsiaceae
• rickettsiae
• rickettsial
• Rickettsiales