Answered
No single word can be made with the letters: "i d e l o x."
Sized
You can spell beware.
The longest word you can make with these letters is jeeped.
relieved
Adjure.
knithreaded
Forced
forehead
In English the largest word you can make is woaded, which uses six of the seven letters. There are no valid seven-letter combinations from the pattern a d d e h o w.
There is no single English word you can make with all those letters.
Daydream.