by Paul Zollo
undesirable
undetectable
undiscernible
undrinkable
undubitable
undutiful
uneatable
uneducable
unemotional
unemployable
unendurable
unenforceable
unenjoyable
unenviable
unequal
unequitable
unequivocal
unescapable
unessential
unethical
uneventful
unexceptional
unexcitable
unexcusable
unexplainable
unfaithful
unfashionable
unfathomable
unfavorable
unfeasible
unfertile
unfilial
unflappable
unforeseeable
unforgettable
unforgivable
unfruitful
unfulfillable
ungentle
ungovernable
ungraceful
ungrammatical
ungrateful
unhabitable
unharmful
unhealthful
unheedful
unhelpful
unicameral
unicycle
unidentifiable
unidirectional
unilateral
uninsurable
unintentional
unisexual
universal
univocal
unjudicial
unknowable
unlawful
unlegal
unlikable
unlivable
unlovable
unmailable
unmanageable
unmeasurable
unmentionable
unmerciful
unmethodical
unmindful
unmistakable
unmoral
unmovable
unmuffle
unmusical
unmuzzle
unnameable
unnatural
unnavigable
unneedful
unnegotiable
unnoticeable
unobtainable
unofficial
unoriginal
unpalatable
unpardonable
unpayable
unperturbable
unplayable
unpoetical
unpolitical
unpractical
unpredictable
unpresentable
unpreventable
unprintable
unprofessional
unprofitable
unpronounceable
unprovable
unpunctual
unpunishable
unquenchable
unquestionable
unquotable
unratable
unravel
unreachable
unreadable
unreal
unreasonable
unredeemable
unrefutable
unreliable
unremorseful
unremovable
unrepeatable
unresentful
unresolvable
unreturnable
unsaddle
unsalable
unsatiable
unsatisfiable
unscramble
unscriptural
unseasonable
unsensible
unsentimental
unserviceable
unsettle
unshackle
unshakable
unshrinkable
unsinful
unsinkable
unskillful
unsnarl
unsociable
unsocial
unsolvable
unspeakable
unspiritual
unstable
unsterile
unstoppable
unsubstantial
unsubtle
unsuccessful
unsuitable
unsuppressible
unsurmountable
unsurpassable
unsustainable
unsymmetrical
untactful
untasteful
unteachable
untenable
unthankful
unthinkable
unthoughtful
untillable
untouchable
untraceable
untractable
untraditional
untransferable
untranslatable
untrustful
untruthful
untypical
unusable
unusual
unutterable
unwearable
unworkable
unwrinkle
updatable
upheaval
ural
urinal
usable
useable
useful
usual
utensil
utilizable
uveal
uxorial
vacatable
vaginal
valuable
valuational
vandal
variable
variational
varietal
vassal
vatical
vectorial
vegetable
vegetal
vehicle
venal
vendable
vendible
venerable
venereal
vengeful
venial
ventral
ventricle
verbal
verifiable
veritable
vermeil
vernal
versatile
versional
vertebral
vertical
vesical
vesicle
vessel
vestal
vestibule
vestigial
viable
vial
vicarial
vicinal
victual
viewable
vigil
vincible
vindicable
vinyl
violable
viral
virgil
virginal
viricidal
virile
virological
virtual
visceral
visible
visitable
visual
vital
vitrifiable
vocable
vocal
vocational
voidable
volitional
voluble
vortical
vowel
vulnerable
vulval
wadable
waddle
wadeable
waffle
waggle
wail
wailful
wakeful
wangle
wankel
warble
washable
wassail
wasteful
wastrel
watchful
wattle
wearable
weasel
weevil
wheedle
whiffle
whimsical
whistle
whittle
whorl
wiener schnitzel
wiggle
wildfowl
wilful
willable
willful
wimble
wimple
winkle
winnable
wishful
wistful
withdrawable
withdrawal
witnessable
wobb
le
woeful
wonderful
workable
worktable
worshipful
worthful
wrangle
wrathful
wrestle
wriggle
wrinkle
writable
wrongful
xiphisternal
yankee-doodle
yodel
yokel
youthful
yowl
zenithal
zestful
zodiacal
zonal
zoological
ULCH
gulch
mulch
ULJ
bulge
divulge
indulge
overindulge
ULK
bulk
hulk
skulk
sulk
ULKT
bulked
mulct
skulked
sulked
ULP
gulp
pulp
ULS
avulse
barnacles
carrels
convulse
flannels
hospitals
impulse
mollycoddles
pulse
repulse
staples
trifles
ULT
adult
catapult
consult
cult
difficult
exult
insult
nonadult
occult
result
tumult
Long UM
abloom
anteroom
assume
ballroom
barroom
bathroom
bedroom
bloom
board-room
boom
bridegroom
broadloom
broom
cardroom
checkroom
classroom
cloakroom
coatroom
consume
costume
courtroom
darkroom
day-room
doom
elbowroom
entomb
exhume
flume
foredoom
fume
gloom
glume
headroom
heirloom
homeroom
jibboom
Khartoum
legroom
legume
loom
lunchroom
mushroom
newsroom
perfume
playroom
plume
poolroom
pressroom
presume
resume
rheum
room
saleroom
salesroom
schoolroom
showroom
sickroom
spume
stateroom
stockroom
storeroom
strongroom
subsume
taproom
targum
tomb
toolroom
vacuum
volume
vroom
wardroom
washroom
whom
womb
workroom
zoom
UM
abolitionism
absenteeism
absolutism
abstractionism
accustom
activism
ad-infinitum
ad-nauseum
Adam
addendum
adventuresome
agendum
agnosticism
alarmism
albinoism
album
alcoholism
algorithm
altruism
alum
aluminum
amalgam
amateurism
anabaptism
anabolism
anachronism
anarchism
aneurism
aneurysm
angiospasm
anglicanism
anglicism
angstrom
animalism
animism
antagonism
antebellum
antemortem