- dressed
- drag
- duds
- digit
- dig
- diddlyshit
- diddly_squat
- doodly_squat
- diddlysquat
- diddly
- diddly_shit
- diddley
- dempsey
- dish
- durabolin
- due north
- duct gland
- disagreeable person
- dude
- douglas macarthur
- dihydroxyphenylalanine
- disc
- durum wheat
- durum
- denominate
- direct
- dopa
- disk
- defense laboratory
- designate
- denounce
- description
- decoration
- drivel
- dirham
- dynasty
- dishonesty
- doctor
- doc
- dog grass
- deer fly fever
- deoxythymidine monophosphate
- drafting instrument
- Dutch
- domestic cat
- dicot genus
- due south
- dessert
- day of rest
- demigod