discard discernible discernibly discerning discern disciple disciplinary discipline disclamation disclose disclosure discombobulate discombobulation discomfiture discomfort discomposure disconcerted disconcerting disconcert disconnected disconnection disconsolately disconsolate discontentedly discontented discontentment discontent discontinuation discordance discord discount discouragement discourage discouraging discourse discourteous discourtesy discovery discover discreditable discreetly discreet discrepancy discrepant discrete discretion discriminate discursively discursive discussion discuss