Pwysig, a. pressing; weighty
Pwyso, v. to press, to weigh
Pwyth, n. a point; stitch; gift: at a bidding. Talu pwyth, to retaliate
Pwythiad, n. a stitching
Pwytho, to thrust in; to stitch
Py, n. what is involved: a. what
Pyb, n. what is energetic
Pyblu, v. to invigorate
Pybyl, n. energy, vigour
Pybyr, n. strenuous, stout