Pedrusrwydd, n. doubtfulness
Pedryad, n. a quadrating, a squaring
Pedryael, n. what has four skirts; square
Pedrychwal, a. four ways of spreading
Pedryd, n. a square
Pedrydant, n. a quadrate state
Pedrydiad, n. a quadrating; a perfecting
Pedryfal, n. what is of four pieces
Pedryfan, n. a quarry; a quarter
Pedryfaniad, n. a quartering