As nouns the difference between bribe and gratification
is that
bribe is something (usually money) given in exchange for influence or as an inducement to dishonesty while
gratification is the act of gratifying, or pleasing, either the mind, the taste, or the appetite; as, the gratification of the palate, of the appetites, of the senses, of the desires, of the heart.
As a verb bribe
is to give a to.