Lettre de creance and Letter of credit

Letter of credit and lettre de creance are semantically related In some cases you can replace phrase "Letter of credit" with "Lettre de creance", this phrases are similar.

Letter of credit noun - A document issued by a bank that guarantees the payment of a customer's draft; substitutes the bank's credit for the customer's credit.

Lettre de creance and letter of credit are semantically related in bank document guaranteeing customer credit topic. You can use "Lettre de creance" instead a noun phrase "Letter of credit".