- Dry grass
- Dry leaf
- Dry-cough
- Dryness
- Dtp
- Dubiousness
- Duchess
- Duck
- Duck-weed
- Duct
- Dude
- Due to
- Duelist
- Duet
- Dug
- Dugout
- Dulcify
- Dulcimer
- Dully
- Dum
- Dumb blonde
- Dumb show
- Dumbass
- Dumbfound
- Dummy
- Dump truck
- Dumpling
- Dumpy
- Dun
- Dunce
- Dune
- Dunkerk spirit
- Duopoly
- Dupery
- Duplex
- Duplication
- Durability
- Duramen
- During
- Dust storm
- Dust-colour
- Dustcart
- Duster
- Dusting
- Dustman
- Dutch courage
- Dutch uncle
- Dutch wife
- Dutiable
- Duties
- Duty officer
- Dwarfish woman
- Dweller
- Dwelling
- Dwelling house
- Dxb
- Dynamics branch
- Dynast
- Dysentry
- Dyslexia