Modifies a noun

• boy: A small party would be arranged at home, and the parents would be expected to buy the bar mitzvah boy a new suit!

Noun used with modifier

• bat: I've got my bat mitzvah soon, which is my rite of passage.

• bar: He is paying for the families to attend his bar mitzvah - he is LONG past the traditional thirteen years old!

• bah: The premise of it is his bah mitzvah happened on the 1966 World Cup Final day, so no one came.