- deems taylor
- democratically
- democratic socialist republic of sri lanka
- didelphis virginiana
- dideoxyinosine
- didanosine
- ddI
- demesne
- dent corn
- dogmatist
- dreissena polymorpha
- death camas
- dulcimer
- dominant gene
- detonating device
- dialog
- dioscoreaceae
- dispatcher
- dental floss
- discontentedness
- dnipropetrovsk
- dog's_tooth violet
- dogtooth violet
- dendroica petechia
- day of atonement
- decennary
- discoglossidae
- diamine
- digenesis
- dermatosis
- deathwatch beetle
- dead_man's_fingers
- dead_men's_fingers
- dockyard
- digitalized
- digitised
- digitized
- digitalised
- digital recording
- digital clock
- digital watch
- drive in
- distribution free statistic
- deep seated
- deep rooted
- depreciate
- dead reckoning
- decorum
- doggo
- disapprobation