Pec-to-ral, dwyfronawl, cyllaol
Pe-cul-iar, priod, priodol; enwedigol
Ped-es-tal, bôn colofn
Ped-i-gree, âch, achwedd
Pel-lu-cid, tryloyw, gloyw, claer
Pen-al-ty, poen, cosp; dirwy
Pen-du-lum, dibynai, dringlyn
Pen-e-trate, treiddio; amgyffred
Pen-i-tence, edifeirwch, edifeiriant
Pen-i-tent, edifar, edifarus