What words can I make out of these letters?

Question

The letters are: u i i u r u o h e i i u x a o i a o d u. I really need to know the longest one you can make, or give me a few.. but you can only use the same letter once! Thankyou :]

Answer 1

Airhead  is the longest.  But you can also make:

Haired

Hoaxed

Hoaxer

Roadie

Hairdo

Radii

Oxide

Rodeo

Adore

Audio

Hider

Hired

Oared

Hared

Aired

Oohed

Hoard

Ahead

Heard

Radio

Horde

Adieu

Answer 2

head

hero

rude

radio

heard

hide

hour

door

hood

red