riva /rivˈə or rēˈvə/ (Shetland)

A cleft in rock

• protozoologists
• protozoology
• protozoon
• protract
• protracted
• protractedly
• protractible
• protractile
• protracting
• protraction
• protractions
• protractive
• protractor
• protractors
• protracts
• protreptic
• protreptical
• protreptics
• protrudable
• protrude
• protruded
• protrudent
• protrudes
• protruding
• protrusible