homestead
Sized
No single word can be made with the letters: "i d e l o x."
relieved
forehead
The longest word you can make with these letters is jeeped.
hared, heard
centrifuge
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.
Daydream.
diegest
Underwear !
knithreaded