Di-lap-i-da-tion, adfeiliad; dystryw

Dis-a-bil-i-ty, anallu, gwendid

Dis-ad-van-ta-geous, anfanteisiol; anfuddiol

Dis-a-gree-a-ble, anhyfryd; diflas

Dis-ap-pro-ba-tion, anghymmeradwyaeth

Dis-crim-in-a-tion, gwahaniaeth; gwahannodiad

Dis-in-cli-na-tion, annhuedd, anewyllysgarwch

Dis-in-ter-est-ed, diduedd; ammhleidgar

Dis-o-be-di-ent, anufudd, cyndyn

Dis-sim-u-la-tion, ffuant, rhagrith