A watershoot is a small stream or rivulet that flows continuously downhill. There are various synonyms for this word such as a brook, creek, streamlet, burn, rill, and runlet. A brook is a small stream that flows through a natural channel. A creek is a narrow and shallow stream usually found in coastal areas. A streamlet is a small stream that flows into a larger one. A burn is a Scottish term for a small stream. A rill is a small stream that runs down the slope of a hill. A runlet is a small stream or rivulet that flows into a larger one. These synonyms are interchangeable with the word watershoot and can be used in the same context.