I'll give you one that will give you the rest: Dictionary.
Some positive words that start with D are:dapperdarlingdecisivedecoratedeliberatedeliciousdinediscussiondonedoughnutdrydurable
data
doubtful
DrinkDonorDinerDroopDelay
dream
Dolefully, dissuasively and dourly are unique words. They begin with the letter d.
There are a few 19 letter words that start with the letter s. However, there are no 19 letter words that start with s and end with d.
Thousands.
DavidDamascus
Some five letter words that start with D are:dailydairydaisydandydeathdebutdecordeferdemurdepthdiaryDreamdummydutch
decideddeduceddeededdivideddredged
DropDoorDoleDoteDeepDeerDopeDampDankDoneDuneDentdeskDarkDirtDeed