Examples of nouns (a person, a place, a thing) that start with the letter D are:
- dahlia
- dairy
- daisy
- dalmatian
- dandelion
- danger
- date
- daughter
- day
- deacon
- decision
- deer
- delay
- delight
- delirium
- density
- depth
- desert
- dessert
- devil
- devil's food cake
- diamond
- dice
- dill
- dime
- diner
- dinner
- dish
- dog
- donkey
- door
- doubt
- dough
- doughnut
- down
- dozen
- drama
- dread
- dream
- dress
- dresser
- dressing
- drought
- duchess
- duel
- duke
- dumpling
- dungeon
- duty
- dwelling