Su-per-scrip-tion, argraff, arlythyriad
Su-per-sti-tion, coelgrefydd, ofergoel
Su-per-sti-tious, coelgrefyddol, ofergoelus
Su-per-vis-or, ucholygwr, arolygydd
Sup-pli-ca-tion, deisyfiad, ymbiliad
Sup-po-si-tion, tyb; amcanfwriad
Su-prem-a-cy, uwchafiaeth, goruchedd
Sur-mount-a-ble, gorchfygadwy
Sus-cep-ti-ble, derbyngar; teimladol
Sym-met-ri-cal, cydefsurol, cydluniaidd