dissonance (n.)
- antagonism
 - argumentation
 - atonalism
 - atonality
 - cacophony
 - clinker
 - conflict
 - contention
 - contradiction
 - contrariety
 - contrast
 - controversy
 - departure
 - deviation
 - difference
 - disagreement
 - discord
 - discordance
 - discrepancy
 - discreteness
 - disharmony
 - disparity
 - dissension
 - dissent
 - dissidence
 - dissimilarity
 - distinction
 - distinctness
 - disunion
 - disunity
 - divergence
 - divergency
 - diversity
 - faction
 - flatness
 - heterogeneity
 - incompatibility
 - incongruity
 - inconsistency
 - inequality
 - inharmoniousness
 - mixture
 - negation
 - nonconformity
 - odds
 - opposition
 - otherness
 - repugnance
 - separateness
 - sharpness
 - sourness
 - stridor
 - strife
 - unlikeness
 - unorthodoxy
 - variance
 - variation
 - variegation
 - variety
 - wolf
 
Fill'd the air with barbarous dissonance.