There is no English word that starts with you and ends with J.
A four letter word starting with J is jump or joke.
A word that starts with TA and includes a J is Taj Mahal.
Jeepers
joust
· joyful · just
Jo-Mama-Fool!
JunkJambJustJoinJail
java
joule
jump
Kusuma and kusuka are the 2 rivers in J & K