Plunge, trochiad: trochi

Praise, mawl: canmol

Preach, pregethu

Priest, offeiriad

Prince, tywysog

Prompt, parod, dioed: cofweini; helpu

Quench, diffoddi; dofi

Scarce, prin, anaml; odid

Scheme, cynllun, dyfais

Schism, rhwyg eglwysig, sism