Stiff-en, sythgaledu; sythu
Still-born, marwanedig
Still-ness, tawelwch, dystawrwydd
Stin-gy, crintach, anhael
Stink-ing, drewllyd, drygsawrus
Sti-pend, tâl, cyflog
Stir-rup, gwrthafl
Stoak-er, tânborthwr
Stock-ing, hosan
Stom-ach, cylla; chwant bwyd; digter: digio, ffromi