Can you spot what is unusual with these words?

@loudcry (1043)
India
January 17, 2007 11:14am CST
Fracedinous Annelidous Arsenious Abstemious Abstentious Facetious
3 responses
@harshadod (858)
• India
17 Jan 07
All the words have vowels in alphabetical order. Other word is casesious.
@loudcry (1043)
• India
20 Jan 07
That's right. Here are the meanings of these words. Annelidious-Of nature of an annelid. Arsenious-Of related to arsenic Abstemious-Eating and drinking in moderation. Abstentious-an act of withholding or abstaining. Facetious-not meant to be taken seriously.
• Canada
28 Feb 07
A,E,I,O,U are all in order!
@loudcry (1043)
• India
1 Mar 07
thanks for the response
• India
19 Jan 07
Yeah, that's simple! As already spotted out by a few, these words have all the vowels in the right order!:)