Per-fo-ra-tion, trydwll, trydylliad
Per-ish-a-ble, brau, darfodadwy
Per-mu-ta-tion, trynewidiaeth, cyfnewidiaeth
Per-pet-u-al, parhaol, gwastadol
Per-pet-u-ate, bytholi, tragwyddoli
Per-plex-i-ty, dyryswch; petrusder
Per-se-cu-tion, erledigaeth
Per-se-ver-ance, parhâd, dyfalbara
Per-son-i-fy, ansodi, dynsodi, persenoli
Per-spic-u-ous, amlwg, eglur