En-cour-age, cefnogi, calonogi, annog
En-croach-ment, cyfyngiad; traisfeddiant
En-cum-ber, lluddias, rhwystro; gorlwytho
En-dan-ger, peryglu; niweidio, anturio
En-deav-our, cais, ymgais: ymegnio, ymgeisio
En-dorse-ment, cefnysgrif, arysgrifen
En-dow-ment, gwaddol, cynnysgaeth
En-du-rance, parhâd; goddefiad
En-e-my, gelyn, gwrthwynebydd
En-er-gy, grym, egni, nerth