Having an edge is an advantage.
The longest word starting with E is Electroencephalographically.
What is an inspirational word starting with the letter E? - encouragement
e
A seven letter word starting with E could be epitome.
E E
there is no 9 letter word starting with e and using all of the letters. but the word unscrambled is FORGETFUL.
Evil
Etapele
Ewer.
zone
elfengulf
Rough