deficit (n.)

• absence
• arrears
• balance
• beggary
• break
• credit
• decline
• defalcation
• default
• defect
• defectiveness
• deficiency
• delinquency
• deprivation
• destitution
• difference
• discontinuity
• discrepancy
• drought
• failure
• famine
• gap
• hiatus
• imperfection
• impoverishment
• inadequacy
• incompleteness
• inferiority
• insufficiency
• interval
• lack
• lacuna
• loss
• need
• net
• omission
• outage
• overdraft
• remainder
• scantiness
• shortage
• shortcoming
• shortfall
• slump
• starvation
• surplus
• ullage
• underage
• want