#subtraction__deduction  the act of subtracting (removing a part from the whole); "he complained about the subtraction of money from their paychecks"
  exclusion:  addition
  supertype:  step-down__decrease__diminution__reduction  the act of decreasing or reducing something
  subtype:  withholding  the act of deducting (taxes) from an employee's salary

No statement uses or specializes subtraction; click here to add one.