As nouns the difference between bet and choice
is that bet
is a wager, an agreement between two parties that a stake (usually money) will be paid by the loser to the winner (the winner being the one who correctly forecast the outcome of an event) while choice
is an option; a decision; an opportunity to choose or select something.
As a verb bet
is to stake or pledge upon the outcome of an event; to wager.
As an initialism BET
is a nitrogen adsorption technique used to measure the specific surface area of a solid.
As a proper noun Bet
is a diminutive of Elizabeth.
As an adjective choice is
especially good or preferred.