jackpot
Jerk
Jaw
Some 5-letter words beginning with 'j' are:jabotjauntjazzyjeansjellyjennyjettyjeweljiffyjimmyjointjoistjokerjollyjoulejoustjowlyjudgejuicejuicyjulepjumbojumpyjunkyjuror
Jovial jewel
Jaunt.
Java
There are no words in the English language that begin and end with the letter j.
Jesu
Jackal, jaguar, jellyfish and jungles are scary. They begin with the letter J.
jade.... jump jury... joke... jive...
jack jest jilt joke jury