bait vs bate backup extra, substitute, spare: This hospital has a backup power supply.
back up help, support, aid: If you ask for money he will back you up.
bait food used in a trap: We used a piece of meat as bait.
bate decrease, reduce: The salesman won’t bate a penny of it.
bale bundle, bunch, package: a bale of paper/straw/cotton
bail money pledged to release an accused person until trial: He was release on a bail of $20000.
balk unwilling to accept or do something: Many people in fact balk at sending their children to private schools.
bulk large quantity or amount, mass: You will get cheaper if buy in bulk.
ball a round object that is used in sports: Samuel threw the ball to me, and I caught it.
bawl to shout in a very loud voice: She in fact likes to bawl against everyone.