paying, defrayment, defrayal, repayment, prepayment, reimbursement, remittance, invoice, disbursement, transaction, more...

nonpayment, default, repudiation, refusal, evasion

cash, check, money order, credit, debit, charge, more...

down, non, monthly, annual, first, full, final, immediate, prompt, partial, additional

loan instalment,   loan installment,   pay method,   transfer of money