Here is a list of nouns that start with DIS.
disability, disadvantage, disaffection, disagreement, disappearance
disappointment, disapprobation, disapproval, disarmament, disarray
disassembly, disaster, disbelief, disbursement, disc
discernment, discharge, disciple, discipleship, discipline
disclaimer, disclosure, discomfort, discontent, discontinuance
discontinuity, discord, discount, discouragement, discourse
discoverer, discovery, discredit, discrepancy, discretion
discrimination, discussant, discussion, disdain, disease
disenfranchisement, disengagement, disfavor, disgrace, disguise
disgust, dish, disharmony, dishonesty, dishonor
dishwater, disillusionment, disinclination, disintegration, disinterest
disk, dislike, dislocation, disloyalty, dismay
dismemberment, dismissal, disobedience, disorder, disorganization
disparagement, disparity, dispatch, dispensary, dispensation
dispenser, dispersal, dispersement, dispersion, displacement
display, displeasure, disposal, disposition, dispossession
dispute, disquiet, disquietude, disregard, disrepair
disrepute, disrespect, disruption, dissatisfaction, dissection
dissemination, dissension, dissent, dissenter, disservice
dissimulation, dissociation, dissolution, dissolve, distance
distaste, distension, distillation, distiller, distinction
distortion, distraction, distribution, distributor, distributorship
district, distrust, disturbance, disturber, disunion
disunity
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