jug
A word beginning with a "j" that means to make fun of a person in a rude way is jibe.
jackal
jump
Major
Adjure.
lajkanz
press shift :+)=J
enjoin
cajole
There is no five letter word that can be made with the letters 'jzeiu'.
There is no Hebrew word that ends with a J. There is no J in Hebrew.
The longest word you can make with these letters is jeeped.