variation (n.)
- aberrancy
- aberration
- about-face
- accommodation
- adaptation
- adjustment
- allotropism
- allotropy
- alteration
- altering
- alternation
- amelioration
- analysis
- apostasy
- arrangement
- atomization
- bend
- betterment
- bias
- bourdon
- break
- bridge
- burden
- cadence
- capriciousness
- change
- changeability
- changeableness
- choice
- choppiness
- chorus
- coda
- composition
- continuity
- contrariety
- contrast
- conversion
- corner
- crook
- curve
- declination
- defection
- deflection
- degeneration
- demarcation
- departure
- descant
- deterioration
- detour
- development
- deviance
- deviation
- deviousness
- difference
- differentiation
- digression
- disagreement
- discontinuity
- discordance
- discrepancy
- discreteness
- discrimination
- disjunction
- disorder
- disparity
- dissent
- dissimilarity
- dissonance
- distinction
- distinctness
- divagation
- divarication
- divergence
- divergency
- diversification
- diversion
- diversity
- division
- dogleg
- double
- drift
- drifting
- eccentricity
- errantry
- etude
- excursion
- excursus
- exercise
- exposition
- fickleness
- figure
- fitting
- flightiness
- flip-flop
- fluctuation
- folderol
- freakishness
- hairpin
- harmonization
- heterogeneity
- improvement
- impulsiveness
- incompatibility
- incongruity
- inconsistency
- inconstancy
- indirection
- individualization
- individuation
- inequality
- inharmoniousness
- instability
- interlude
- intermezzo
- invention
- irregularity
- jerkiness
- measure
- melioration
- mitigation
- mixture
- modification
- modulation
- moodiness
- movement
- multifariousness
- multiplicity
- mutability
- mutation
- nocturne
- nonconformism
- nonconformity
- nonuniformity
- novelty
- obliquity
- odds
- opposition
- opus
- orchestration
- ornament
- oscillation
- otherness
- overthrow
- part
- particularization
- passage
- period
- permutation
- personalization
- phrase
- piece
- pluralism
- polymorphism
- production
- qualification
- raggedness
- rambling
- re-creation
- reform
- reformation
- refrain
- remaking
- renewal
- resolution
- response
- restlessness
- reversal
- revival
- revivification
- revolution
- score
- section
- segregation
- separateness
- separation
- severance
- shift
- shiftiness
- shifting
- shuffling
- slant
- sonata
- sonatina
- specialization
- stanza
- statement
- strain
- study
- sweep
- swerve
- swerving
- swinging
- switch
- tack
- tailpiece
- transition
- trio
- turn
- turnabout
- turning
- twist
- uncertainty
- undependability
- unlikeness
- unorthodoxy
- unpredictability
- unreliability
- unstableness
- unsteadiness
- upheaval
- vacillation
- variability
- variance
- variegation
- variety
- versatility
- verse
- vicissitude
- wandering
- wantonness
- warp
- wavering
- whimsicality
- work
- worsening
- yaw
- zigzag
