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

• lorikeet
• lorikeets
• lorimer
• lorimers
• loriner
• loriners
• loring
• lorings
• loriot
• loriots
• loris
• lorises
• lorn
• forehents
• forehock
• forehocks
• fore-horse
• fore-horses
• foreign
• foreign aid
• foreign aids
• Foreign and Commonwealth Office
• foreign bill
• foreign bills
• foreign-built