Gwryf, n. a spring: a press

Gwryfiad, n. a pressing

Gwryfio, v. to press

Gwryfiwr, n. pressman

Gwryg, n. energy, vigour

Gwrygiad, n. invigoration

Gwrygiant, n. vigour

Gwrygio, v. to grow vigorous

Gwrygiol, a. invigorating

Gwrym, n. seam; wheal