Ech-o, adsain, ateblais: adseinio
E-clipse, diffyg; arguddiad: cymmylu; arguddio
Ed-dy, trobwll; adlif: dystroi; cylchdroi
E-dict, rheitharch, teyrnarch, cyhoeddiad
Ef-face, dilëu, anffurfio, dinystrio; tywyllu
Ef-fect, effaith; dyben: effeithio; dichon
Ef-fects, da, daodd, moddion; nwyddau
Ef-fort, ymdrech, ymgais, egni
E-gress, mynedfa, mynediad allan
Ei-ther, un ór ddau; y ddau; naill ai