shortage (n.)

• absence
• adulteration
• arrears
• beggary
• break
• curtailment
• dearth
• decline
• defalcation
• default
• defect
• defectiveness
• deficiency
• deficit
• delinquency
• deprivation
• destitution
• discontinuity
• drought
• erroneousness
• failure
• fallibility
• famine
• faultiness
• gap
• hiatus
• immaturity
• impairment
• imperfection
• impoverishment
• impurity
• inaccuracy
• inadequacy
• inadequateness
• incompleteness
• inexactitude
• inexactness
• inferiority
• insufficiency
• interval
• lack
• lacuna
• mediocrity
• need
• omission
• outage
• patchiness
• paucity
• pinch
• scantiness
• scarcity
• shortcoming
• shortfall
• sketchiness
• slump
• starvation
• tightness
• ullage
• underage
• unevenness
• unsoundness
• want