De-fi-cient, dyffygiol; ammherffaith

Def-i-nite, peth dosbenedig; dosbenol; penodol; sicr; eglur

De-flec-tion, osgoad, gogwyddiad; enciliad

De-fray-ing, digostiad, costddygiad

De-i-ty, Duwdod, Duwdeb

De-ject-ed, llwfr, trist, galarus

De-jec-tion, prudd-der, tristwch

Del-e-gate, cenad, cenadwr: cenadu, dirprwyo

Del-i-cate, tyner; mwythus; moesgar; gwanaidd; canaidd

De-li-cious, danteithiol; melusber; hyfryd