Account payable and Accounts payable

Account payable noun - A liability account showing how much is owed for goods and services purchased on credit.

Accounts payable is a synonym for account payable. In some cases you can replace phrase "Accounts payable" with "Account payable", this phrases are similar.

Accounts payable noun - A debtor's accounts of money he owes; normally arise from the purchase of products or services.

Account payable is a synonym for accounts payable. You can use "Account payable" instead a noun phrase "Accounts payable".