jet plane
juice
Some 5-letter words beginning with 'j' are:jabotjauntjazzyjeansjellyjennyjettyjeweljiffyjimmyjointjoistjokerjollyjoulejoustjowlyjudgejuicejuicyjulepjumbojumpyjunkyjuror
Jam,
Jackson Hole
That would be a juniper tree.
Jacket!
Jordan
Jane
jinn
jet plane
Yes, there was a dinosaur that's name began with the letter j. The name of the dinosaur was, Jainosaurus.
Jarrow is a town in England. It begins with the letter J.
Jordan, Jamaica, Juno
Possibly Juniper
Jimenez, and Jose can be a last name.
Jealousy is an emotion. It begins with the letter J.