rip-rap or riprap /ripˈrap/

1. Loose broken stones, used to form a foundation on soft ground or under water, or in the construction of revetments and embankments
2. A foundation formed of these

• sarsnet
• sarsnets
• sartor
• sartorial
• sartorially
• sartorian
• sartorii
• sartorius
• sartoriuses
• sartors
• Sartrian
• Sarum use
• sarus
• sarus crane
• saruses
• Sarvodaya
• SAS
• sa sa
• sasarara
• sasararas
• sash
• sashay
• sashayed
• sashaying
• sashays