aberrance
aberrancy
aberration
abnormality
abnormity
amorphism
anomalism
anomalousness
conceit
conversation piece
crackpotism
crank
crankiness
crankism
crosspatch
crotchet
crotchetiness
curio
curiosity
derangement
deviancy
deviation
difference
differentness
divergence
dottiness
eccentricity
erraticism
erraticness
exception
freak
freakiness
freakishness
heteromorphism
idiocrasy
idiosyncrasy
improbability
impropriety
inadmissibility
inapplicability
inappositeness
inappropriateness
inaptitude
inaptness
individualist
infelicity
inferiority
inner-directed person
irregularity
place
position
blunder
coincidence
complication
defect
disadvantage
discrepancy
distortion
disturbance
flaw
fluctuations
incongruity
inconsistency
limitation
modification
mutation
occurrence
oddity
peculiarity
phenomenon
similarity
variation
homily