Thousands.
Some positive words that start with D are:dapperdarlingdecisivedecoratedeliberatedeliciousdinediscussiondonedoughnutdrydurable
There are too many words that start with "D" in history one of them is discrimination.
doubtful
data
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.
DavidDamascus
Some five letter words that start with D are:dailydairydaisydandydeathdebutdecordeferdemurdepthdiaryDreamdummydutch
decideddeduceddeededdivideddredged
WalkedWoodWouldWordWorldWindWeanedWeedWeededWandWoundweldwildweirdwardwithstandwithstoodwedwaswallboardwarheadwarlordwashboardwastedwatchwordwaterloggedwatershedwavebandweddedwebbedweekendweightedwesternizedwellheadwestboundwetlandwoodlandwheeledwhipcordwhippedwhirlwindwhiteheadwhiteboardwickedwomanhoodwidowhoodwidespreadwieldwindedwiredwitheredwithheldwizardwoodwindwomankindwonderlandwoodshedwordedworkloadworstedwraparoundwretchedwrinkledwristbandwaistbandwunderkind