juice
No word in the English language begins with U and ends with J.
justunfuf
java
abjectadjectiveadjournadjustdejecteddisjointeddoorjambdrudgejadejudgejaundice
Well there's " junk "
Jag, jig, jog, jug.
Quij
joey
There are no words in the English language that begin with the letter "i" and end with the letter j.
I do not believe that such a word exists in English.
Well, darling, the only word that fits your criteria is "enj." It's not exactly a word you'll find in the dictionary, but hey, you asked for a word that starts with 'e' and ends with 'j,' and I delivered.