sanctum sanctorum/sangkʹtawrəm/ noun (pl sanctum sanctorums sancta sanctorum)

• servicewoman
• serviette
• servile
• serving
• servitor
• servitude
• servo
• servomechanism
• servomotor
• sesame
• sesamoid
• sesqui-
• sesquicentenary
• sesquicentennial
• sesquipedalian
• sessile
• sessile oak
• session
• sesterce
• sestertium
• sestertius
• sestet
• sestina
• SET
• set