Re-qui-si-tion, gofyniad, galwad

Res-er-va-tion, adgadwad; darngeliad

Res-ig-na-tion, rhoddiad i fyny

Re-sist-i-ble, gwrthwynebadwy

Res-o-lu-tion, bwriad, llawnfryd, penderfyniad

Re-spect-a-ble, parchus, gwiwbarch

Res-pi-ra-tion, anadliad, adanadl

Re-spons-i-ble, attebadwy, attebol

Res-to-ra-tion, adferiad, edfryd

Res-ti-tu-tion, adferiad, edfrydiad