Block, 4 letters
Block, 5 letters
Block off, as water flow, 5 letters
Block the flow, 5 letters
Block the flow of, 5 letters
Block, as a river, 5 letters
Block, as a stream, 5 letters
Block, in a way, 5 letters
Cause a blockage in, 5 letters
Clog, 5 letters
Clog, in a way, 5 letters
Create an obstruction, 5 letters
Keep from flowing, 5 letters
Keep from flowing, as a stream, 5 letters
Keep from overflowing, 5 letters
Obstruct, 5 letters
Obstruct the flow of, 5 letters
Restrict the flow of, 5 letters
Stop from flowing, 5 letters
Stop the flow of, 5 letters
Work like a beaver, 5 letters