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13 points
PORPOISES is validvalid
PORPOISE, to move forward with rising and falling motions [v]
PORPOISE, to move like a porpoise; specifically (of an aircraft, esp. a seaplane) to touch the water or ground and rise again [v]
PORPOISE, to move forward with rising and falling motions [v]
PORPOISE, to move like a porpoise; specifically (of an aircraft, esp. a seaplane) to touch the water or ground and rise again [v]