joules
Jerk
jonquil
Jaw
Jovial jewel
Jovial
Jaunt.
Joy, Joyfully
jab jack jade
Java
There are no words in the English language that begin and end with the letter j.
Some 5-letter words beginning with 'j' are:jabotjauntjazzyjeansjellyjennyjettyjeweljiffyjimmyjointjoistjokerjollyjoulejoustjowlyjudgejuicejuicyjulepjumbojumpyjunkyjuror