Xenodocheionology has 17 letters and means "the history or lore of inns and hotels."
According to my dictionary, 'xanthoproteic' in 'xanthoproteic acid' and 'xenodiagnosis' both have 13 letters. But, my dictionary is from 1989, so there may be newer words.
xenophobia is the only civil war word starting with x I no.
it's rhythm... and the longest word that having a single vowel is strenghts...
The word 'boom' can be used as a word for explosion that starts with a b.
You can always use Xenophobia - the fear of the unknown.
intimidating, inspiring, in combat, incredious...
The longest word that starts with q is quintoplets!!!What about Quartermasterships?
methionylglutaminylarginyltyrosylglutamylseryllleucylpheny
Kennethrobertofitzwaterayjameseepatriciacashiichelsayybrianaeasthamaiecaittlinapaigerboothean.
supercalifragilisticexpialidocious.
Lymphadenopathy
Volcaneclopecsupernueropticdertyuklnmugunhumbun.
A word that starts with X is a xylophone.
One very long word that starts with m is: microcryptocrystalline (22 letters)
The longest word that starts with an "s" and ends with an "r" is "supercomputer."
A word that starts with S and ends with X is sphinx.
Erectile
watermelons