Ok, it looks like there won't be anymore suggestions, so here are the choices we've got. Note that the first four/five were used for tsuwm's wwftd. Pick FIVE:

a. hoodoo - http://wordsmith.org/board/showthreaded.pl?Cat=&Board=words&Number=49682

b. mysteriuim - http://wordsmith.org/board/showthreaded.pl?Cat=&Board=miscellany&Number=48194

c. anacampserote - http://wordsmith.org/board/showthreaded.pl?Cat=&Board=miscellany&Number=50360

d. piepowder - http://wordsmith.org/board/showthreaded.pl?Cat=&Board=wordplay&Number=48872

e. cornobbled http://wordsmith.org/board/showthreaded.pl?Cat=&Board=wordplay&Number=48464

f. nudnik http://wordsmith.org/board/showthreaded.pl?Cat=&Board=words&Number=55395

g. gobsmacked http://wordsmith.org/board/showflat.pl?Cat=&Board=words&Number=57174

h. dipsetic http://wordsmith.org/board/showflat.pl?Cat=&Board=miscellany&Number=13970

i. talud http://wordsmith.org/board/showflat.pl?Cat=&Board=wordplay&Number=32756

j. fungible http://wordsmith.org/board/showflat.pl?Cat=&Board=words&Number=48757

k. hermetic http://wordsmith.org/board/showflat.pl?Cat=&Board=words&Number=45704

l. demesne http://wordsmith.org/board/showflat.pl?Cat=&Board=words&Number=44396

m. Golden Ratio http://wordsmith.org/board/showflat.pl?Cat=&Board=words&Number=37343

n. monosemy http://wordsmith.org/board/showflat.pl?Cat=&Board=words&Number=17666

o. time http://wordsmith.org/board/showflat.pl?Cat=&Board=words&Number=35912

p. triboluminescence http://wordsmith.org/board/showflat.pl?Cat=&Board=wordplay&Number=45223

q. pleonasm http://wordsmith.org/board/showflat.pl?Cat=&Board=wordplay&Number=27814

r. irony http://wordsmith.org/board/showflat.pl?Cat=&Board=miscellany&Number=47618

s. rogaine http://wordsmith.org/board/showflat.pl?Cat=&Board=wordplay&Number=5645

t. loimic http://wordsmith.org/board/showflat.pl?Cat=&Board=miscellany&Number=46577

u. ideolect http://wordsmith.org/board/showflat.pl?Cat=&Board=miscellany&Number=37695

v. ursine (or another) http://wordsmith.org/board/showflat.pl?Cat=&Board=animalsafari&Number=3265

w. pantomath http://wordsmith.org/board/showflat.pl?Cat=&Board=words&Number=44976

x. yaw http://wordsmith.org/board/showflat.pl?Cat=&Board=miscellany&Number=23217

y. bogart http://wordsmith.org/board/showflat.pl?Cat=&Board=eponyms&Number=22489 / http://wordsmith.org/board/showflat.pl?Cat=&Board=words&Number=46769

z. octothorp http://wordsmith.org/board/showflat.pl?Cat=&Board=words&Number=36166

@. empath http://wordsmith.org/board/showflat.pl?Cat=&Board=words&Number=5427

#. mustelid http://wordsmith.org/board/showflat.pl?Cat=&Board=words&Number=53198

$. nepenthe http://wordsmith.org/board/showflat.pl?Cat=&Board=words&Number=51160

%. enantiodromic http://wordsmith.org/board/showflat.pl?Cat=&Board=words&Number=451


EDIT: I've added W'ON's and tsuwm's recent suggestions to fill out the list a little more. Also added the link for gobsmacked. Feel free to change your votes if you like.