silex /sīˈleks/

1. Silica or quartz
2. A heat-resistant and shock-resistant glass formed of fused quartz

• four-wheelers
• fous
• foussa
• foussas
• foustier
• foustiest
• fousty
• fouter
• foutered
• foutering
• fouters
• fouth
• fouths
• foutra
• foutras
• foutre
• foutred
• foutres
• foutring
• fovea
• fovea centralis
• foveae
• foveal
• foveate
• foveola