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.
A promissory note is a legally binding contract, the provisions of which usually spell out what acts, or failures to act, constitute a default. Failing to pay as agreed constitutes defaulting on a promissory note, as might any number of other deviations from the terms of the agreement.