• Sierra
• Sierran
• Sierrans
• Sierra Leone
• Sierra Miwok
• Sierra Blanca
• Sierra County
• Sierra Nevada
• Sierra Leonean
• Sierra Leonian
• Sierra Leoneans
• Sierra Leonians
• Sierran Elaenia
• Sierra Leone Prinia
• Sierra Madre Sparrow

Sierra (suomeksi)

• Sakari (s: the letter "S")