French[edit] From Middle French, from Old French -al, a Borrowing from Latin -Älis. Cognate to French -el, which is also from Latin -Älis but inherited (not borrowed). -al. -al (of or pertaining to; adjectival suffix appended to various words, often nouns, to make an adjective form.
Promissory Note is a written promise made by one person to pay certain sum of money due to another person or any other legal holder of the document. whereas A cheque is an unconditional order, in writing adressed by a customer, with signature, to the bank requiring it to pay on demand a certain sum of money to the order of a specified person or to the bearer.
Promissory Note: The simplest form of a credit instrument is the promissory note. A promissory note (or pro-note for short) is a written promise from a buyer or a borrower to pay a certain sum of money to the creditor or his order. It is what we call IOU (I owe you), i.e., an acknowledgment of debt and an obligation to repay.