Mystery word scramble

That's what the handy dandy discount MENSA calendar is giving us today. Ready to play?

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Unscramble the letters in the box below and add the missing letter to make a nine-letter word.

A O D N N E D A ?

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Jeez - that's like mutant scrabble! Bonus points for alternative words. Here, I'll go first - ODEADNANT: A substance used by unconfident morticians. Worried about that "body" odor? Use ODEADNANT!

And like always the *real* answer will be found later in the comments. See you then!