Germ-in-ate, blaguro, egino
Gid-di-ness, penddaredd; y bendro
Gi-gan-tic, cawraidd, dirfawr
Glo-ri-fy, gogoneddu; mawrygu
Glos-sa-ry, geirddehonglydd; geirlyfr
Glu-tin-ous, gludiog
Glut-ton-y, glythineb, bolrythi
God-li-ness, duwioldeb, dwyfolder
Gor-man-dize, bolrythu
Gov-ern-ess, llywiadures; athrawes