Ru-mi-nate, adgnoi; adystyried
Run-a-way, ffoadur, cilgi
Rus-ti-cate, gwladogi
Rust-i-ness, llwydni, llwydrydni
Sac-cha-rine, siwgraidd; melys
Sac-ra-ment, sacrament
Sa-cred-ness, cysegredd
Sac-ri-fice, aberth, offrwm: aberthu
Sac-ri-lege, cysegrladrad
Sa-ga-cious, call, craff, synwyrol