What is a word you think Jessica may or may not know?

Words Jessica definitely knows:

existentialism
ludic
sun
dongle
edible
knows
furious
grandchild
newfangled
flugelhorn
mythologer
rottweiler
jessica
technician
cowpuncher
middlebrow
jackhammer
wunderkind
dazzlement
jabberwock
witchcraft
pawnbroker
thumbprint
motorcycle
cryptogram
torchlight
bankruptcy
abhor
acquiesce
fox
is
galumph
for
of
gazebo
moon
porter
boatswain
divinition
yardarm
bowline
teapot
axolotl
luddite
help
me
I
hypertext
inkling
maw
hours
board
box
least
pegging
array
function
monster
thimble
acrylic
synthetic
synesthesia
favorite
charisma
magistrate
bell
ataraxia
complete
word
zipper
could
magnanimous
multifaceted
versatile
utilize
dog
yes
even
coalesce
hazard
foot
hand
insecurity
navajo
butch
unctuous
truculent
purple
wax
defenestrate
quark
panopticon
flytrap
lick
lightning
changes
variant
what
cuneiform
autonomous
rut
database
knowing
vocabulary
chance
social
randomness
probability
method
identity
mystery
indeterminate
question
quandary
expunge
corpulent
tinamou
clabber
retainer
resplendent
tongue-tied
verbose
vichyssoise
aphasia
forgetting
thermocouple
forensic
weetabix
narcinidae
responsibility
cloud
guild
bituminous
skeuomorphs
patriach
ogle
prune
plum
dream
Acumen
tetragrammaton
tetractys
Clitoris
sinistrocular
google
bellicose
dont
wont
cant
shouldnt
couldnt
wouldnt
there
their
theyre
his
her
him
she
woman
man
girl
boy
grandfather
grandmother
Befuddled
Limpid
resist
fly
forget
boodylicious
-dongle
camp
eutrophic
Effluent
haberdasher
spangled
nucleic
oxalate
hydroxide
nitric
sulfuric
deoxyribonucleic
ion
cork
hydride
fracking
frackk
ferous
eric
vertigo
wanderlust
juxtapose
microcontroller
Register
Bootloader
firmware
kernel
celestial
operations
conundrum
Tenticles
AllMySpacesAreBeingRemoved
zenith
murderous
love
mandela
alphabetical
petrichor
butt