I found this site that gives a list of all the cities in the United states it showed alot of different cities that start with the letter d.
http://en.wikipedia.org/wiki/List_of_cities,_towns,_and_villages_in_the_United_States
four letter words beginning wih d are: Dart
Detriot
middle eastern city beginning with a D Damascus
deny
chid
Dedo desnudo descontinuado dedicacion
said is a 4 letter word beginning with s and ending with d
Doge
Some three letter words beginning with D are:diddogdoediedendindabduodotdigdrydye
Detroit
A remarkable person, eccentric or amusing, can be known as a 'card'
film or famous characters beginning with the letter D