The phrase "extra payments" is correct and usable in written English.
For example, you could use it in a sentence like this: "We are happy to offer extra payments to our employees for overtime work."
— of making extra payments to retirees.
He was to come nowhere near claiming those extra payments.
The problems with the extra payments have long been known.
Extra payments are made if the pandas give birth.
Countrywide returned the extra payments and dropped threats of foreclosure.
Even relatively small extra payments can make an impact, Mr. Walker argued.
They make a minimum of $144,820 a year, as well as extra payments and overtime.
You reach certain objectives and people get extra payments, reaching some targets or numbers.
Extra payments go to hospitals that train doctors or treat large numbers of low-income patients.
Not being able to meet the extra payments, she fell behind on her mortgage.
His calculations included only the extra payments by Detroit's pension fund for general workers.
