Rab-id, cynddeiriog, gorphwyllog
Ra-dix, gwreiddyn; dechreuad
Raf-ter, ceibren, tylath
Rag-ged, carpiog, bratiog
Rag-ing, cynddeiriogiad; gwyllt, creulawn
Rail-ing, cledrgae; canllawiad
Rai-ment, dillad; gwisg
Rain-bow, enfys, bwa 'r gwlaw
Rain-y, gwlawog
Rais-ing, codiad, dyrchafiad