Robert Heckendorn's List of Hard to Spell Words (correct only)

Australia
Czechoslovakia
Connecticut
February
Presbyterian
Teutonic
Tuesday
Wednesday
abandon
abysmal
abbreviate
abscond
absorbent
absorption
abstinence
abundance
abundant
academy
acceptance
acceptable
acceptably
accessible
accidentally
accommodate
across
actually
achieve
acknowledgment
acoustic
aqueous
acquiesce
across
acrylic
actor
adamant
adequate
adieu
adhesive
adjacency
adjacent
agitate
adjective
adolescent
advantageous
adversary
aficionado
afterwards
against
aggravate
aggressive
almond
aerator
aerial
adjective
adjustment
ache
alchemy
allegiance
algae
align
allege
allegiance
allowance
already
all right amalgam
amateur
amateur
ambidextrous
ameliorate
amoeba
amphitheater
analyze
analyst
analyze
anarchistic
ancestral
ancillary
annealing
anxious
anxiety
annihilate
ingenue
anniversary
anonymous
annoyance
anomalous
anomaly
annoyed
amphibian
ensemble
ancestor
antecedent
anecdote
entrepreneur
annul
aneurysm
ennui
apparently
apparatus
apartheid
aperture
appalled
aphelion
appliqué
upholstery
apologize
apologized
apostrophe
apart
apathetic
apology
appreciation
aqueous
acquiesce
acquit
arachnid
archaeology
aardvark
aerial
argument
arithmetic
armageddon
armistice
armament
aurora
arrow
arctic
asbestos
assimilate
asphalt
asymptote asthma
asymmetric
asterisk
asteroid
asymptotic
eight
attorney
austere
austere
auditorium
autumn
auxiliary
auxiliary
avocado
asthma
bachelor
baccalaureate
badminton
bologna
banquet
bankruptcy
bayonet
beret
bargain
baroque
beige
bazaar
bizarre
bestiary
bouquet
bureaucratic
because
behavioral
behavior
behavior
believe
belie
benefit
benign
built
biscuit
bivouacking
bivouac
bayou
business
blossom
bougainvillea
Buddhist
buoy
buffet
bourgeoisie
boutique
bouquet
bourgeoisie
boundary
buoy
buoyant
boycott
brief
brochure
broccoli
brogue
bruise
bruise
brusque
boulevard
bouillon
bourbon
burgeon
bureau
bourgeois
business
beautiful
biased
bicycle
cabinet
catchup
cocoon
cease
calf
cafe
caffeine
cul-de-sac
calves
calves
cauliflower
callus
chameleon
camouflage
campaign
canoe
candidate
cantaloupe
canaille
captor
captain
captain
caribou
carafe carcass
carousel
carriage
career
cartilage
casserole
chasm
cataclysm
category
caterpillar
catastrophe
ketchup
cavern
caesar
celebration
cemetery
circumstance
champagne
chandelier
charisma
chartreuse
chassis
chalk
cheetah
cheetah
cello
chimney
chisel
chisel
chocolate
coyote
circuit
curriculum
clairvoyant
clairvoyant
clerestory
cliché
cloisonné
coalesce
coalescence
coercion
cognizant
cohabiting
coax
collaboration
colleague
cholera
colleague
collegiate
cologne
column
comb
cormorant
commission
commission
commitment
communiqué
compete
competitive
complexion
concatenate
conceit
conscious
conscious
consider
conquer
condemn
connoisseur
connotation
conceit
conceivable
consistent
contagion
continuum
contractor
convince
cognac
coup
cougar
cuckoo
culottes
coordinate
chorale
corduroy
corrugated
correlate
choreograph
course
chorus
counterfeit
curmudgeon
cretaceous
creosote
creator
critique
criticize
crochet
crotch
crocodile
chronological
croquet
crochet
crucifixion
cruise
cupboard
compass
couple
courage
curiosity
curious
curiosity
colonel
courtesy
courteous
curvaceous
cushion
cuisine
debris
debut
daiquiri
dalmatian
damn
diaspora
debut
disciple
decision
depot
diesel
definable
deficient
delimiter
dilemma
dependency
dirigible
derriere
dearth
disguise
decided
desirable
decision
disguise
dissolve
desiccation
determine
detour
deterrence
develop
development
dessert
diagonal
dilate
diarrhea
discipline
decision
dichotomy
dying
different
different
diamond
diarrhea
diphtheria
diphthong
dissipate
discipline
disappointed
dissemination
description
disgusting
dissection
dissertation
divot
dachshund
dachshund
dungeon
doorjamb
dormant
doubly
doubt
dropping
drought
double
dumb
eerie
easy
executive
etiquette
editing
eager
aegis
elegant
elementary
electoral
imbalance
embarrass
embedded
immense
impasse
impressed
encompass
endeavor
endure
enormous
intent
entrance
enthusiastic
entrepreneur
enough
environment
invoke
equivalent
aesthetic
estuary
etymology
eavesdrop
exaggerate
examine
excellent
excel
excitement
exhilarate
exhilarate
existence
expatriate
explanation
ecstasy
extreme
ecstatic
extension
extraordinary
excerpt
eavesdrop
pharaoh
fault
feign
pharmaceutical
farce
facetious
fasten
fastened
fashion
facade
fascinate
fatigue
famous
feasibility
feasible
february
fiancée
fertile
feud
fuchsia
pheasant
fix
fillet
filament
phyllo
finesse
finesse
fiery
physique
phlegm
flexible
flotation
fluorescent
fluoride
flood
focuses
phonetic
verbatim
forcibly
forfeit
forehead
foreign
foreman
forty
fulfill
funeral
fuchsia
futile
gauge
gadget
guard
guarantee
guerrilla
ghastly
gaiety
geisha
guillotine
genealogy
generally
genuine
giraffe
guerrilla
guess
ghetto
guillotine
guilty
guinea
gingham
geyser
guitar
glycerin
ghoul
gourd
gourmet
ghost
goatee
government
governor
granary
grammar
grandiose
grandeur
grateful
gruesome
gruesome
grocery
growth
grotesque
gauge
gubernatorial
geyser
guava
gymnast
haggis
hallelujah
hallelujah
heinous
handkerchief
handsome
harass
hearth
haughty
heifer
hemorrhage
hindrance
heavy
height
hyena
hiatus
hymn
hierarchy
heist
history
hoax
homogeneity
chutzpah
horrible
heuristic
hydraulics
hygiene
hygienic
hyperbole
icicle
idiosyncrasy
island
illegal
illegal
illegitimate
illustrate
embarrass
embrace
immediately
infamous
immigrate
immediately
eminently
impede
impugn
embankment
embrace
inconsistent
indiscriminate
endeavor
indict (the individual
endure
inferable
infinitesimal
inflammation
inheritance
inoculate
innocence
inception
instantiation
instantiation
instrument
ensue
intelligible
intelligence
intercollegiate
interfere
interference
interim
interrupt
enticement
intrigue
interest
intuitive
interpretation
interpret
invocation
aisle
isthmus
jagged
jaguar
jalousie
jealous
jealousy
jeopardize
jewel
jodhpurs
jostle
journey
judgment
journal
journey
khaki
kaleidoscope
charisma
quiche
kiosk
kibbutz
kibosh
chimera
kindergarten
kayak
noxious
knowledgeable
knowledge
culottes
crèche
chronicle
cuisine
kibosh
label
laboratory
labyrinth
lachrymose
lacquer
laugh
llama
lambaste
lingerie
lingerie
larvae
lasagna
laid
lenient
leisure
league
legion
leisure
legionnaire
limousine
leopard
leprechaun
lieutenant
lieu
leukemia
luau
lieutenant
liaison
liquor
lightning
legitimacy
legitimate
likable
likelihood
limousine
light
literature
loathe
lewd
lasagna
luggage
luscious
macaque
moccasin
machete
maelstrom
maintenance
malign
malice
memento
mammoth
mayonnaise
mayonnaise
maintain
mannequin
maintain
maneuver
marquee
marriage
marshal
marshmallow
martyr
masochist
machete
messiah
massacre
masquerade
mastectomy
masseur
masseuse
matinee
mausoleum
mayonnaise
merely
meerkat
mechanical
meadow
mediocre
meadow
millennium
mimic
memoirs
mention
menace
meringue
mosquito
mezzanine
measure
metallic
mesmerize
medieval
malicious
milieu
minuscule
miniature
mischievous
mischievous
miscellaneous
misspell
misspelled
mosquito
missile
mistletoe
misunderstood
mystique
mystery
mystic
months
mortgage
morgue
mortar
motif
myrrh
muscle
mustache
maestro
gnarled
nasturtium
nauseous
nauseous
neighbor
necessary
necessarily
neither
neural
narrative
nirvana
nostalgia
mnemonic
nuance
pneumatic
pneumonia
nuisance
neither
naive
naivete
knife
nymph
ninety
niche
night
gnome
notable
noticeable
notorious
nourishment
nuisance
neutral
nutritious
ovation
obey
oblique
obelisk
a cappella occasion
occasion
occurred
occurrence
occurrence
occurring
oscillate
octave
odyssey
often
officially
aficionado
homage
omelet
omniscience
onomatopoeia
opaque
opinion
opportunity
orangutan
orchestrate
hors d'oeuvre oregano
oracle
orchid
oscilloscope
ostrich
ostrich
overwhelm
auxiliary
pageant
paradigm
paradigm
paraphernalia
parallel
parallel
perimeter
piranha
paranoia
paraphernalia
parfait
pariah
parquet
parliament
parallel
parallel
partially
pasteurize
pastry
pinochle
peace
pedestal
piedmont
people
pirouette
penitentiary
penguin
peignoir
preferred
proliferate
prerogative
precede
preserve
pursue
persistence
persistent
personnel
participate
pertinent
purview
pewter
pharmacist
pharmaceutical
pharaoh
philosophical
phlegm
physician
physicist
picnic
picayune
picnicking
picturesque
pigeon
pilgrimage
pilgrimage
pylon
Pyrrhic
plaque
plaid
plagiarism
plateau
plague
plagiarize
playwright
playwright
pleiotropy
mnemonic
possession
poinsettia
poignant
politicking
pollinate
poultry
poultry
pompeii
potpourri
peripheral
porcelain
portrayal
position
postpone
position
posthumous
posthumous
practitioner
prairie
precede
precursor
proficiency
proficient
perform
perhaps
prejudice
preparation
presence
precious
prestigious
primitive
primeval
privilege
proceed
prohibitive
prolix
pronunciation
proprietary
proprietor
protein
protocol
pseudonym
pumpkin
pundit
pertain
quadruple
coiffure
quantity
queue
questionnaire
questionnaire
choir
quizzes
quotient
rabbit
raccoon
radius
rendezvous
rhapsody
raspberry
recommend
receipt
receptacle
receive
reconnaissance
recruit
reckoned
recurrence
ridiculous
reducible
referred
regardless
rehearsal
renown
relevant
relief
relevance
relevant
religion
realm
remain
reminisce
reminiscent
renege
renaissance
renown
repertoire
repertoire
repertoire
replenish
rapport
requiem
reservoir
responsibility
responsible
recipe
restaurant
rather
retinue
rhetoric
rhetorical
rhinoceros
ricochet
reindeer
ridge
reminisce
reminiscent
rhinoceros
rhythm
riddled
rendezvous
rhubarb
rudimentary
rheumatic
saboteur
saccharin
sacrilegious
sacrilegious
saccharin
safety
salmon
samurai
sandwich
sanity
sandwich
sapphire
sergeant
satellite
severe
salve
savvy
scaffolding
scenario
sense
siege
seize
seizure
segue
siege
sienna
scenario
scenario
sensible
separate
sepulchral
serious
surgeon
several
pseudonym
chandelier
chenille
charlatan
charades
chateaux
shepherd
shoulder
chauffeur
chauvinism
psychology
succinctly
seduction
syringe
scythe
cigarette
syllabus
silhouette
symmetric
synagogue
cynic
surveillance
cyst
sieve
seismology
scissors
schizophrenic
school
scourge
sleuth
sleight
sleuth
solder
sophomore
sophomore
soldier
soldier
solemn
suicide
pseudonym
suet
soup
sword
should
sauerbraten
sovereign
spatial
spaghetti
sphagnum
specter
special
specific
sporadic
squirrel
squirrel
stalactite
stalk
stalk
stochastic
strand
stomach
subconscious
subterfuge
success
successful
successfully
succumb
succeed
sophisticated
somersault
subpoena
supersede
superfluous
superseded
supplement
suppress
sherbet
susceptible
succinctly
succinct
suspicion
succinct
subtle
souvenir
syllable
synonymous
seismograph
tableau
taboret
ptarmigan
tarpaulin
talk
technique
technician
tedious
temporary
temperature
temptation
tendency
pterodactyl
terrific
tournament
terrible
thief
theory
therapeutic
thereby
theorem
thieves
their
thirtieth
thistle
thought
threshold
their
thorough
toxin
tomato
tomorrow
tomb
torque
tortellini
tortoise
toxin
tragic
trajectory
trauma
transition
transmission
transcend
trestle
treasure
true
triathlon
trigonometric
trinket
triptych
triskaidekaphobia
troglodyte
trolley
troubadour
truly
trudging
tries
toucan
tongue
terrain
turquoise
twelfth
unanimous
unduly
eunuch
eunuchs
unlabeled
useful
usability
of
vacuum
valet
variant
verification
vaudeville
vehement
vegetarian
vehicle
vengeance
ventilate
vignette
variegated
verbiage
verbatim
virtue
variation
vermin
vermilion
vermouth
versatile
versatile
veterinarian
victim
vigilante
vinyl
vinegar
vinaigrette
vignette
vitiate
vicious
visualization
volunteer
voyeuristic
vulnerable
weird
weave
wednesday
weapon
weasel
wherever
wholly
weird
wildebeest
women
whisper
whistle
withdrawal
wondrous
once
would
wrestle
writable
yarmulke
yellow
yeoman
yacht
euphoric
eulogy
euthanasia
euphoric
czar
zephyr
zealot
zinc
zucchini
xylophone