absence
adulteration
arrearage
arrestment
baseness
beggary
blemish
break
bug
callowness
catch
crack
dearth
defalcation
default
defect
defectibility
defection
defectiveness
deficit
demerit
deprivation
dereliction
destitution
discontinuity
drawback
drought
erroneousness
failing
failure
fallibility
famine
fault
faultiness
faute
fewness
flaw
foible
frailty
gap
hiatus
hole
immaturity
impairment
imperfection
impoverishment
impurity
abnormality
complication
difficulty
disadvantage
disorder
disturbance
illness
improvement
inconvenience
injury
limitation
modification
shortcoming
superiority
want
efficiency
immunodeficiency
inefficiency
proficiency
self-sufficiency
sufficiency
excess