irregularity (n.)
- aberrance
- aberrancy
- aberration
- abnormality
- affability
- amorphism
- anamorphism
- anamorphosis
- anomalousness
- anomaly
- asperity
- asymmetry
- buckle
- bumpiness
- capriciousness
- casualness
- changeability
- changeableness
- choppiness
- colic
- conceit
- constipation
- contortion
- contrariety
- cordiality
- crank
- crankiness
- crookedness
- crotchet
- crotchetiness
- derangement
- deviation
- diarrhea
- difference
- differentiation
- disarrangement
- disarray
- discomfiture
- discomposure
- disconnectedness
- disconnection
- discontinuance
- discontinuation
- discontinuity
- discreteness
- disequilibrium
- disharmony
- disintegration
- disjunction
- disorder
- disorderliness
- disorganization
- disparity
- disproportion
- disruption
- distortion
- disturbance
- divarication
- divergence
- diversification
- dysentery
- dyspepsia
- ease
- easiness
- easygoingness
- eccentricity
- entropy
- episode
- familiarity
- fickleness
- fitfulness
- flightiness
- flux
- freakishness
- gnarl
- graciousness
- granulation
- gripe
- gripes
- haphazardness
- harshness
- heartburn
- heterogeneity
- homeliness
- idiosyncrasy
- imbalance
- impulsiveness
- inadequacy
- incoherence
- incompleteness
- inconsistency
- inconstancy
- indigestion
- inequality
- inequity
- inferiority
- informality
- injustice
- instability
- insufficiency
- intermittence
- jaggedness
- jerkiness
- kink
- knot
- looseness
- lopsidedness
- maggot
- mannerism
- monstrosity
- moodiness
- mutability
- naturalness
- nonconformism
- nonconformity
- nonuniformity
- obstipation
- oddity
- odds
- parenthesis
- peculiarity
- perturbation
- plainness
- pluralism
- promiscuity
- promiscuousness
- pyrosis
- queerness
- quip
- quirk
- quirkiness
- raggedness
- randomness
- restlessness
- roughness
- ruggedness
- screw
- shiftiness
- shortcoming
- simplicity
- singularity
- sociability
- strangeness
- subnormality
- superiority
- tooth
- torsion
- tortuosity
- trick
- trots
- turbulence
- turn
- twist
- unaffectedness
- unbalance
- unceremoniousness
- uncertainty
- unconstraint
- unconventionality
- undependability
- unevenness
- unnaturalness
- unorthodoxy
- unpredictability
- unpretentiousness
- unreliability
- unstableness
- unsteadiness
- upset
- variability
- variation
- variegation
- variety
- versatility
- wantonness
- warp
- wavering
- whim
- whimsicality
- whimsy
- wrench
- wring
