chiefly
111dialyse — chiefly British variant of dialyze …
112dialyser — chiefly British variant of dialyzer …
113diarrhoea — chiefly British variant of diarrhea …
114dolour — chiefly British variant of dolor …
115doyley — chiefly British variant of doily …
116draught — chiefly British variant of draft …
117draughty — chiefly British variant of drafty …
118draughtsman — chiefly British variant of draftsman …
119dysmenorrhoea — chiefly British variant of dysmenorrhea …
120dyspnoea — chiefly British variant of dyspnea …