These are words from the Advanced section of the 1998 Edition of Paideia. If you are a speller with a higher skill level trying to prepare for nationals, use this list.
Words: 776
aborad
acanthus
accipiter
acharya
Achillean
acicula
acrocyanosis
adherend
adustiosis
aebleskive
Aesculapian
Aesir
Aesopian
afflatus
agalloch
agape
ahimsa
aiguillette
aileron
aition
alembic
alison
alstroemeria
altiplano
alyssum
amercement
amphoteric
anabasis
anaglyph
anastomosis
anathema
anemochore
animadversion
anschluss
Antaean
antediluvian
antenati
aparejo
apodictic
apparatchik
apparentement
appetitost
appliquer
aquiline
arabesque
arachnophagous
arbutus
armiger
arrondissement
aryl
asphodel
assisi
atrament
Augean
auricle
auteur
ayatollah
ayuntamiento
bagatelle
baignoire
bailey
Balearic
ballabile
banderilla
banquette
barbellate
barbican
bardiglio
bartizan
basenji
bergschrund
bezique
bibelot
bijou
bilirubin
bivouac
blanquillo
blitzkrieg
bocaccio
bocage
bodega
Bonnaz
borsholder
Boyg
bradytely
bretelle
brevet
breviary
brisque
brunneous
Bunraku
byrnie
byzantine
cabecera
cabochon
cahier
Calinago
camarilla
camisa
campanile
campesino
Canaan
cantatrice
cantle
capeador
capretto
capriccio
caravel
cargador
carnauba
cascabel
castellan
castrametation
casuistry
catalineta
cataphract
catastasis
cate
catullian
caudillo
cavalletti
cedilla
centripetal
Cerberean
chaffinch
Charybdis
chassepot
chatelaine
chayote
chelate
chernozem
chevesaile
chiaroscurist
chicanery
chihuahua
chimerical
Chinarra
chinoiserie
chiral
chloasma
choucroute
chouette
chrysochlorous
churrasco
churrigueresque
Cimmerian
cincture
cinematheque
cinereal
cinque
cirrhosis
clematis
clerisy
clinquant
coadunate
coalesce
comandancia
Compositae
composite
concento
concierge
condottiere
confrere
connoisseur
conticent
contretemps
coquetry
coquina
cordillera
cordovan
cornichon
corposant
corticoline
coruscated
corybantic
couchant
coulisse
coulometric
craquelure
creatinine
criollo
cryptanalysis
culgee
cunctation
cyanosis
cynology
cytology
dactyloscopy
daedal
daven
decoupage
demarche
demesne
denouement
derailleur
desman
destrier
diktat
dimer
diptych
dirigisme
dirndl
disembogue
distelfink
ditokous
divers
dowlas
dryad
duenna
dulcinea
durbar
dvandva
dysrhythmia
dystocia
ecchymosis
ecclesiastic
echelon
echoppe
eglantine
einkorn
eisegesis
ekistics
eloge
elysium
embracery
embrasure
emmeleia
empennage
empleomania
encarpus
enceinte
enfilade
engastrimythic
engobe
enneastyle
ennui
entente
enthalpy
ephemerally
epiphany
epistemology
epitasis
equinoctial
eremology
erythrocyte
erythrophobia
erythropsia
eschatology
esclavage
esne
Eucharist
eustachian
Euterpean
examen
faineant
faja
fanfaronade
fantoccini
fastigium
feis
Fennoscandian
fianchetto
filiopietistic
firkin
flaccid
flambeau
flammeous
floccillation
floruit
folletto
Fomorian
frogged
fughetta
fuliginous
fulvous
funipendulous
furbelow
furlough
fusillade
Galahad
Gallinazo
gammelost
garderobe
gastrilegous
gazpacho
gemmary
gendarme
giaour
ginglymus
glaucous
glima
glossal
glossolalia
glutinous
golem
Gomorrah
googol
greffier
groundsel
grunion
guernsey
guiro
gules
guttural
gymkhana
habiliments
Hadean
hafiz
hagiographer
halcyon
hamadryad
hardanger
hartal
hauberk
hebdomad
hebephrenia
hecatontarchy
hegemony
heldentenor
heliced
hematite
hematochrome
hemochromatosis
heortology
hermeneutics
hieroglyphics
hippogriff
hoary
horologium
hourage
hyacinthine
hydroperiod
hyetology
hygeian
hylophagous
hypochondria
hyponychium
Ibsenian
Icarian
ichorous
idiosyncratic
ikat
imam
impresario
incienso
infrangible
ingenue
innominate
inosculate
intaglio
intussusception
iodopsin
irenicism
isapostolic
isarithm
isinglass
Jacobin
Jainism
jambeau
jicama
jicara
kakistocracy
kathakali
kevel
khedive
Kierkegaardian
kittel
klister
koan
koinonia
korrigan
kraken
kriegspiel
labret
laburnum
ladino
lambrequin
lansquenet
larghetto
lariat
larigo
larithmics
lefse
legerdemain
legionnaire
leister
lepidopterology
Lethean
liaise
liege
lilliputian
llanero
longicollous
lorgnette
Lubavitcher
luger
lumbriciform
machicolation
machismo
madid
maestro
makara
malapropos
mandala
mandir
manes
mangonel
marchioness
mariachi
marquisette
mazar
mcintire
mendicant
menehune
meniscus
menorah
merino
merlon
Merovingian
mestizo
miasma
mihrab
minyan
miscreant
mistigris
mithridatism
mitrailleuse
mittimus
mnemonically
momus
montage
morpheus
mouchoir
moulage
mucilaginous
mundungus
Mustelidae
mwami
myrmidon
myxomatosis
naology
naphtha
narcissism
nares
naseberry
navicella
neophyte
Nereid
netsuke
nidor
Nigerois
nociceptive
nonagesimal
nonet
noology
novenary
novillero
nullifidian
numismatics
obtenebrate
ochlocracy
odyssey
Ogygian
olivaceous
omnilegent
opsimath
orismology
orlean
ormolu
orthoepy
orthorhombic
oscillation
Osirian
ostmen
oximeter
oxytocia
padishah
paduasoy
paella
paladin
palberry
palladian
palometa
panachage
panela
pansil
Pantagruelism
pantisocracy
parandrus
paraphernalia
parapsychology
parergon
parrhesia
parricide
parterre
parure
parvitude
pasimology
pasticcio
patois
peccadillo
pendeloque
pentastich
Pentateuchal
peregrination
perestroika
perinephrium
peripety
phaeochrous
phaeton
phalanx
philamot
philobiblist
Philomel
phosphorolysis
phrontistery
phthisiology
piebald
pied
Pierian
pignorate
pimpernel
pinion
pirouette
pitchblende
plasmoptysis
platina
platycodon
platypus
pleiad
plenilune
plenipotentiary
plethora
plumbeous
pochismo
polis
politeia
pomander
pompeii
ponceau
pongee
precibal
prescience
prestidigitator
pretzel
pridian
probouleutic
prolegomenon
Promethean
pronunciamento
proscenium
proselyte
protasis
prytanis
psephology
psychedelic
pucellas
puerile
pugilist
pulsatance
pursuivant
pusillanimous
putsch
pyrrhic
pythiad
quatorzain
quatrefoil
quattrocento
quern
quincunx
quinquennially
quinquevir
quirt
quisling
quoits
quondam
Ranunculus
rappini
rapprochement
rasgado
Rastafarian
recidivism
regie
regisseur
reliquary
Rembrandt
reminiscences
renaissance
renvoi
repechage
revanche
rhadamanthine
rhinencephalon
rhododendron
rhomboideus
rimur
roborant
rocaille
roleo
ronquil
roriferous
rorqual
rosemaling
roseola
roux
rowan
rubefacient
Rudbeckia
rutilant
rya
sacalait
saccade
sacerdotal
sacristan
sacrosanct
saithe
Salchow
sansculotte
sarsaparilla
sarwan
satori
satrapy
saxicolous
scaphocephaly
schussboomer
schwarmerei
sciapodous
scutage
Scylla
seapoose
sederunt
semainier
senary
sendee
seneschal
sepia
septuagenarian
seraphic
serotinal
sesquicentennial
sessile
sevillana
sgraffito
shagreen
Shaviana
shellwork
shogi
sibilance
siccative
sigillate
silane
silicicolous
sillar
Sinology
sitology
skeuomorph
skirret
skua
smaragdine
smorgasbord
soiree
solecism
solipsistic
sorrel
souchong
speedball
sphenoidal
spinnaker
splanchnic
stannous
stichomythia
stradiot
strephosymbolia
stridulated
stupa
stygian
sudadero
suerte
supercilious
supernumerary
susurration
suzerain
swaraj
syndesmosis
syringeal
syrinx
syssel
tabard
tachytely
tallage
Talmud
tanistry
Taoism
tenebrosity
tenon
tephra
teratology
tercentenary
thaumatology
theodicy
theriatrics
Thyestean
tichodrome
tichorrhine
tiepin
tilak
tilleul
timoneer
tinnitus
tintinnabulary
titian
Tivoli
tobogganer
toile
tomatillo
toparchy
torero
tormentil
torsade
trans
trebuchet
trecento
trepanation
trichology
trierarchy
trifurcate
trimolecular
triskelion
troika
trumeau
tutelage
tyrannis
vacherin
vair
vaporetto
variegated
Veda
ventifact
verdigris
verisimilitude
vexillary
vibratiuncle
vicennial
vicissitude
viga
vigentennial
vigorish
vimineous
vinaceous
vinculum
vinegarroon
violaceous
viridescent
viridity
viscera
viscid
viscount
vitrophyre
volador
vorlage
wedel
weltpolitik
Wesak
whilom
wiesenboden
woad
xanthic
xenial
xysti
yarborough
yttrium
zazen
zephyr
Zoroastrian
zugzwang