Reeve, goruchwyliwr

Reign, teyrnasiad: teyrnasu

Rhyme, odl: odli

Ridge, trum: trumio

Right, iawn, uniawn; hawl

Roast, rhost: rhostio

Rogue, dyhiryn

Roost, ieirglwyd: clwydo

Rough, garw

Round, cylch; crwn: amgrynu