WordNet (r) 3.0 (2006):

net income
    n 1: the excess of revenues over outlays in a given period of
         time (including depreciation and other non-cash expenses)
         [syn: net income, net, net profit, lucre, profit,
         profits, earnings]

Moby Thesaurus II by Grady Ward, 1.0:

71 Moby Thesaurus words for "net income":
   avails, base pay, box office, commissions, compensation, credit,
   credits, dismissal wage, disposable income, dividend, dividends,
   earned income, earnings, escalator clause, escalator plan,
   financial remuneration, gains, gate, gate receipts, get, gross,
   gross income, gross receipts, guaranteed annual wage, hire, income,
   intake, living wage, make, minimum wage, net, net receipts, output,
   pay, pay and allowances, payment, payroll, portal-to-portal pay,
   proceeds, produce, profits, purchasing power, real wages, receipt,
   receipts, receivables, remuneration, returns, revenue, royalties,
   salary, severance pay, sliding scale, take, take-home,
   take-home pay, take-in, takings, taxable income,
   total compensation, unearned income, wage, wage control,
   wage freeze, wage reduction, wage rollback, wage scale, wages,
   wages after deductions, wages after taxes, yield