Merriam-Webster's Collegiate Dictionary:
disseverment
dissidence
dissident
dissimilar
dissimilarity
dissimilarly
dissimilate
dissimilation
dissimilatory
dissimilitude
dissimulate
dissimulation
dissimulator
dissipate
dissipated
dissipatedly
dissipatedness
dissipater
dissipation
dissipative
dissociability
dissociable
dissocial
dissociate
dissociation
dissociative
dissociative identity disorder
dissoluble
dissolute
dissolutely
dissoluteness
dissolution
dissolvable
dissolve
dissolvent
dissolver
dissonance
dissonant
dissonantly
dissuade
dissuader
dissuasion
dissuasive
dissuasively
dissuasiveness
dissyllable
dissymmetric
dissymmetry
dist
distaff
distain
distal
distal convoluted tubule
distally
distance
distant
distantly
distantness
distaste
distasteful
distastefully
distastefulness
distelfink
distemper
distemperate
distemperature
distend
distensibility
distensible
distension
distention
distich
distichous
distil
distill
distillate
distillation
distiller
distillery
distinct
distinction
distinctive
distinctively
distinctiveness
distinctly
distinctness
distingu?
distinguish
distinguishability
distinguishable
distinguishably
distinguished
distinguished conduct medal
distinguished flying cross
distinguished service cross
distinguished service medal
distinguished service order