For those counting, that is:
11,404 Words start with the same letter it ended with. This is out of 168,411 words in the Scrabble program I used.
6.77% of the words in the English language (between 1-15 letters long) match these parameters.
If nothing else, I am thorough! 
My vote goes to asemayo for the most aesthetically pleasing list. Now, if someone can make a haiku out of these, I’ll be even more impressed.
Whoops, make that aseymayo.
Thorough is hardly the *word * for it!! Golly, man, do you every do anything * else?? *
I thought of three rather far-fetched: “unimpromptu,” “Viv” (a girl’s name) and “zizz.”
Could you repost that list Satan? I think i missed a word there.
Hmm dont know if these two have been covered:
Academia
Anonna (custard apples)
I think that should qualify Satan as the poster with the longest posts on the SDMB.
Congrats are in order!
All praise Satan!!! Hail Satan! (This sounds so… EVIL)
“I’m not dumb. I just have a command of thoroughly useless information.”-- Calvin and Hobbes
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A haiku? Coming right up…
Illuminati
willows xerox yieldingly
libel Urdu kooks
I had to stick an “s” on a couple to make the plurals, I hope nobody minds…