salary, wages

給料(きゅうりょう) Salary.   $$$
 
給与(きゅうよ) Salary. You can use either 給与 or 給料 for salaried jobs or hourly wage jobs. But 給料 is a bit more useful. For instance, ‘payday’ is 給料日, not 給与日.
 
収入(しゅうにゅう) All income (job as well as 401k, stocks, allowance, etc.)