Gratuity : a sum of money paid to an employee at the end of a period of employment. Annuity : a fixed sum of money paid to someone each year, typically for the rest of their life. Stipend : a fixed regular sum paid as a salary or as expenses to a clergyman, teacher, or public official. Discount : a deduction from the usual cost of something. Wages : a fixed regular payment earned for work or services, typically paid on a daily or weekly basis.