| $D$ | Data (OS/2 Planner) 
| Others |
| D | 500
| Others |
| D | Dad
| Others |
| D | Dahlonega, Georgia (mint mark on United States gold coins)
| Others |
| D | Dallas
| Others |
| D | Dangerous
| Others |
| D | Data
| Others |
| D | Data Channel
| Others |
| D | Daughter
| Others |
| D | David
| Others |
| D | Day
| Others |
| D | Dead
| Others |
| D | Deadness
| Others |
| D | Dealer
| Others |
| D | Dean
| Others |
| D | Debit
| Others |
| D | Decagon
| Others |
| D | Decayed
| Others |
| D | Decelerations
| Others |
| D | Deci
| Others |
| D | Deci-
| Others |
| D | Deck
| Others |
| D | Deep
| Others |
| D | Defeated
| Others |
| D | Defective
| Others |
| D | Defendant
| Others |
| D | Defense
| Others |
| D | Defenseless
| Others |
| D | Defibrillate
| Others |
| D | Degree
| Others |
| D | Deka
| Others |
| D | Delayed
| Others |
| D | Delete
| Others |
| D | Delivery
| Others |
| D | Delta
| Others |
| D | Democrat
| Others |
| d | Denarius (Pence)
| Others |
| D | Denied
| Others |
| D | Denise
| Others |
| D | Dense
| Others |
| D | Density
| Others |
| D | Denver, Colorado (mint mark on United States coins)
| Others |
| D | Depth
| Others |
| D | Dermatology
| Others |
| D | Detective
| Others |
| D | Detroit
| Others |
| D | Deutchland (Germany)
| Others |
| D | Deuterium
| Others |
| D | Development
| Others |
| D | Devin
| Others |
| D | Diameter
| Others |
| D | Diamond
| Others |
| D | Died
| Others |
| D | Dies
| Others |
| D | Diesel
| Others |
| d | Differentiation
| Others |
| D | Difficult
| Others |
| D | Digit
| Others |
| D | Digital
| Others |
| D | Digitalis
| Others |
| D | Dignified
| Others |
| D | Diligent
| Others |
| D | Dilute
| Others |
| D | Dinner
| Others |
| D | Diode
| Others |
| D | Diopter
| Others |
| D | Diopter (lens strength)
| Others |
| D | Direct
| Others |
| D | Disaster
| Others |
| D | Disciple
| Others |
| D | Discontinue
| Others |
| D | Discourse
| Others |
| D | Disgusting
| Others |
| D | Disposable
| Others |
| D | Disputation
| Others |
| D | Distance
| Others |
| D | Distemper
| Others |
| D | Distinction
| Others |
| D | Division
| Others |
| D | Dock
| Others |
| D | Doctorate
| Others |
| D | Dog
| Others |
| D | Dogu
| Others |
| D | Donald
| Others |
| D | Dontae
| Others |
| D | Dopey
| Others |
| D | Dose
| Others |
| D | Doublet
| Others |
| D | Down
| Others |
| D | Drag
| Others |
| D | Dragoons
| Others |
| D | Drain
| Others |
| D | Dreamer
| Others |
| D | Drift
| Others |
| D | Driver
| Others |
| D | Driving
| Others |
| D | Dropped
| Others |
| D | Drug
| Others |
| D | Drummer
| Others |
| D | Dub
| Others |
| D | Dubyah
| Others |
| D | Dulcamara
| Others |
| D | Dull
| Others |
| D | Dumb
| Others |
| D | Dunce
| Others |
| D | Dunced
| Others |
| D | Dungeon
| Others |
| D | Duration
| Others |
| D | Dynamic
| Others |
| D | Dynamite
| Others |
| D | five hundred
| Others |
| D | form D (make-before-break) contacts
| Others |
| d. | date/place of death
| Others |
| d. | died [date]
| Others |
| D:? | Confusion and Sadness at the same time
| Others |