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

• pseudofolliculitis
• pseudogene
• pseudo-Gothic
• pseudograph
• pseudographies
• pseudographs
• pseudography
• pseudohermaphroditism
• pseudohexagonal symmetry
• pseudologia
• pseudologia fantastica
• pseudologias
• pseudologies
• pseudologue
• pseudologues
• pseudology
• pseudomartyr
• pseudomartyrs
• pseudomembrane
• pseudomembranes
• pseudomonad
• pseudomonades
• pseudomonads
• pseudomonas
• pseudomorph