verb: challenge in turn; "The authentication was counterchallenged"
Length: 16 letters
Scrabble value: 24
Words with Friends value: 31
Literati value: 17
TWL (USA): Not found
SOWPODS (UK): Not found
counterchallenge
counterchange
chanterelle
challenger
chancellor
congruence
crenellate
outgeneral
reluctance
cartouche
cerecloth
challenge
coherence
colleague
concenter
concentre
congruent
connecter
courtelle
crenelate
crenulate
electoral
enchanter
encounter
encourage
entourage
enucleate
herculean
neglecter
nocturnal
nonlethal
organelle
recollect
rectangle
rectocele
tolerance
truncheon
urceolate
accentor
accouter
accoutre
aleurone
allergen
carotene
cartouch
caruncle
cellaret
cerulean
ceterach
chlorate
clangour
clarence
cochlear
coherent
collagen
concrete
congener
couchant
courante
crenelle
cretonne
electron
elegance
elongate
enclothe
encolure
encroach
enhancer
enrollee
entangle
enthrall
enthrone
entrance
entrench
ethereal
generate
glareole
goethean
lactogen
lancelet
lancelot
laughter
laughton
launcher
lengthen
luncheon
lutheran
negatron
neuronal
nocturne
nonlegal
nucleate
nucleole
oenanthe
outrange
outreach
regulate
relegate
relocate
renounce
roccella
roentgen
rugelach
teenager
ulcerate
unclothe
ungentle
untangle
urethane
account
accrete
acetone
acheron
acrogen
allegro
annulet
another
argonne
aureole
cagoule
caleche
canteen
caroche
catcher
catechu
celtuce
centare
centaur
centner
central
chancel
chancre
changer
channel
chanter
charcot
charnel
chaucer
cheater
chelate
chelone
cholera
chorale
chortle
chunnel
clanger
clangor
cleaner
clethra
cloture
cochlea
cochran
cocteau
cognate
collage
collate
collect
colleen
college
colutea
conceal
concern
concert
congeal
connate
connect
coracle
corneal
cornell
cortege
coulter
counter
courage
courlan
crangon
craunch
crenate
crochet
crocuta
cuneate
earthen
echelon
eclogue
elector
electra
elegant
elocute
enchant
enhance
enlarge
enounce
entelea
enteral
enteron
enthral
etagere
eternal
ethanol
ethrane
euglena
galleon
garonne
gehenna
general
genteel
gleaner
gluteal
gouache
grantee
granule
gruntle
halogen
haltere
hangout
hearten
hectare
hellcat
hellene
lanchou
languor
lantern
laugher
leather
lectern
lecture
legatee
leghorn
leuctra
loather
locater
lorchel
lounger
lucerne
luncher
nacelle
nancere
neglect
neonate
neutral
neutron
noether
nuclear
nucleon
outcall
outrage
rathole
reagent
reallot
recount
reelect
reenact
regnant
retouch
rontgen
roughen
tangelo
tarheel
teacher
teenage
tegular
teheran
terence
thereon
thoreau
toluene
tonnage
toucher
toughen
tranche
treacle
trochee
trounce
trunnel
tunnage
unalert
unclean
unclear
uncrate
uneager
unearth
unerect
unlearn
unteach
urceole
urocele
accent
accrue
achene
aether
alecto
algren
allege
allure
anchor
angler
anther
antler
argent
arouet
athene
author
cachet
cachou
caller
cancel
cancer
cancun
cangue
canter
cantle
canton
cantor
canute
careen
carnot
cartel
carton
cather
cellar
cental
center
centre
cerate
cereal
chalet
chance
change
charge
charon
choler
cholla
choral
chorea
chunga
claret
clench
cloche
clonal
clothe
clunch
clutch
coatee
coerce
cogent
cognac
cohere
cohune
collar
collet
coltan
colter
concha
concur
congee
conger
contra
cornea
cornel
cornet
cotula
coucal
cougar
cranch
craton
create
creche
crenel
creole
cretan
crotal
crotch
crouch
crunch
crutch
cuneal
cunner
curate
curtal
cutler
eaglet
ecarte
elater
eluate
encore
englut
enlace
enough
enrage
enroll
entree
eocene
erlang
etcher
ethane
ethene
euchre
eugene
galere
gallon
galore
galton
gannet
gaoler
garnet
gather
gauche
gaucho
gentle
glance
gluten
goatee
goethe
granth
greece
greene
grouch
guenon
gullet
gunnel
gunner
halter
hanger
harlot
hauler
healer
heater
hecate
hector
helena
heller
hereto
holler
horace
hornet
hunger
hunter
hurtle
lagune
lahore
lancer
lancet
langur
lanugo
lateen
lathee
lather
launce
launch
laurel
league
leaner
lecher
lector
legate
legato
length
lenten
lethal
loaner
loathe
locale
locate
locule
longan
longer
lontar
louche
lounge
lucent
lunate
lungen
lunger
luteal
luther
nature
naught
nautch
neaten
nectar
negate
nergal
nether
neural
neuron
neuter
nocent
noctua
nonage
nougat
nought
nuance
nullah
occult
octane
ocular
onager
orache
oracle
orange
ornate
ortega
outage
rachel
rachet
ragout
ralegh
raunch
recall
recant
recent
rectal
reecho
regale
regent
reheat
reheel
relace
relate
relent
renege
rennet
rental
retell
runnel
tagore
tangle
tangor
tanner
techno
tehran
teller
tenner
tenrec
tenure
tercel
thenal
thenar
thence
thrace
thrall
throne
throng
toller
tongan
tongue
toucan
trance
trench
troche
trough
tuareg
tugela
tunnel
turaco
tureen
ullage
unclog
unlace
unreal
unreel
unroll
urgent
accho
acorn
actor
acute
agene
agent
aglet
agone
agree
alert
aleut
alger
algol
allen
allot
alone
along
alter
anele
angel
anger
angle
annul
anole
arete
argon
argot
argue
argun
arulo
atole
atoll
atone
auger
aught
cache
cager
canoe
canon
canto
caret
cargo
carol
carte
catch
cater
cecal
cello
chang
chant
chart
cheat
cheer
chela
chert
chore
churl
churn
chute
clang
claro
clean
clear
cleat
clone
cloth
clout
coach
coact
cohan
conch
conga
conge
coral
cornu
cotan
couch
cough
count
court
couth
crane
crate
creel
creon
crete
croat
crohn
crone
cruel
cruet
ctene
curet
cutch
eager
eagle
eagre
earth
eater
eclat
egret
elate
elect
elgar
elute
enact
enate
enrol
enter
erato
erect
ergot
eruca
eruct
ether
euler
galen
gator
gaunt
genet
genoa
genre
gerea
ghent
ghoul
glace
glare
glean
gleet
glenn
gloat
gluon
glute
gnarl
golan
goner
gonne
goral
grace
grant
grate
great
greco
green
greet
groan
groat
grout
gruel
grunt
guano
gulch
haler
halle
halon
harte
hater
haunt
heart
hegel
helen
hello
helot
hence
henna
herat
heron
hogan
holla
horne
horta
hotel
hullo
hunan
huron
lacer
lager
lance
lange
larch
large
largo
latch
later
lathe
laugh
leach
learn
leech
legal
leger
lehar
lento
leone
lerot
letch
lethe
llano
loach
loath
local
logan
lohan
loner
lorca
loren
lough
lucre
luger
lunar
lunch
lunge
lurch
lutra
nacho
nacre
nance
nauch
negro
nehru
nonce
noreg
norge
north
notch
nucha
oaten
occur
ocean
ocher
ochna
ochre
octal
ogler
onega
orach
orang
orate
organ
other
ounce
outer
outre
racon
ragee
ranch
ranee
range
ratch
ratel
reach
react
recce
recco
recto
regal
renal
rente
retch
rhone
roach
roget
rogue
rouge
rough
route
runch
taegu
talon
tange
tango
tauon
teach
telco
tench
tenge
tenno
tenon
tenor
terce
thane
theca
there
thole
thong
thorn
three
throe
thule
tonal
toner
tonga
tonne
torah
torch
touch
tough
trace
troll
truce
tulle
tuner
tunga
ulcer
ulnar
ultra
uncle
urate
acer
ache
acne
acre
acth
aeon
agee
agon
ague
alee
aloe
alto
anne
anon
ante
arch
arco
argo
arng
arno
aten
aton
aunt
auto
cage
call
cane
cant
care
cart
caul
cell
celt
cent
cere
cero
cert
char
chat
chen
choc
chon
chou
chug
clan
cleg
clog
clon
clot
clue
cnut
coal
coat
coca
cohn
cola
cole
colt
cone
conn
cora
core
corn
cote
coue
crag
cran
cree
cull
cult
cunt
cuon
cure
curl
curt
cute
each
earl
earn
echo
echt
ecru
elan
elul
enol
ergo
erne
etch
etna
euro
gael
gale
gall
gaol
gate
gaul
gaur
gean
gear
gelt
gene
gent
genu
geta
ghat
ghee
glee
glen
glue
glut
gnat
goal
goat
goer
gone
gore
goth
gout
gran
grot
guan
guar
gula
gull
gulo
hale
hall
halo
halt
hang
hare
hart
hate
haul
heal
hear
heat
heel
hela
hell
hera
here
hero
hoar
hole
hone
horn
hour
huge
hugo
hula
hull
hunt
hurl
hurt
lace
lahu
lane
larn
late
lath
leal
lean
lear
lech
leer
lego
lena
lent
leon
leto
loan
loch
loge
lone
long
lore
lota
loth
lour
lout
luce
luge
lugh
luna
lung
lunt
lure
luta
lute
narc
nato
near
neat
neel
neon
nero
noah
noel
none
norn
note
noun
nrna
null
nung
oahu
oath
ogee
ogle
ogre
olea
olla
once
oral
oran
orca
race
rage
rahu
rale
rant
rate
real
reel
reno
rent
rete
rhea
roan
role
roll
rota
rotc
rote
roth
rotl
roue
rout
ruga
rule
rune
rung
runt
ruta
ruth
tach
taco
tael
talc
tale
tall
tang
tare
tarn
taro
teal
tear
tech
teen
tegu
tell
tera
tern
thea
then
thor
thou
thug
toea
toga
tole
toll
tolu
tone
tore
torn
tour
tree
trna
true
tuna
tune
tung
turn
ullr
ulna
unco
urea
urga
urge
urth
utah
acc
ace
act
aec
age
ago
ale
all
alt
ane
ang
ano
ant
anu
arc
are
art
ate
auc
aug
can
car
cat
ceo
cer
cog
col
con
cot
cro
crt
ctc
cue
cul
cur
cut
ear
eat
ecc
ecg
ect
eec
eeg
eel
ego
ela
ell
eln
ene
enl
eon
era
erg
ern
ert
eta
gal
gao
gar
gat
gca
gee
gel
gen
get
gnu
goa
gun
gur
gut
hag
han
hao
hat
hcg
hel
hen
het
hoe
hog
hot
hrt
hua
hue
hug
hun
hut
lac
lag
lah
lan
lao
lat
lea
lee
leg
leo
ler
let
leu
log
lot
lug
luo
nac
nag
nan
nec
nee
neo
net
nga
ngo
ngu
nne
noc
nog
non
not
nra
nrc
nrl
nro
nth
nun
nut
oar
oat
oca
oct
ola
one
ore
otc
out
rag
rat
ret
rho
rna
roc
roe
ron
rot
rue
rug
run
rut
tag
tan
tao
tar
tau
tce
tea
tec
tee
teg
ten
thc
tho
tlc
toe
tog
ton
tor
trh
tug
tun
uca
ull
ult
url
urn
uta
utc
ute
utn
ac
ag
al
an
ar
at
au
ca
cc
ce
cl
co
cr
ct
cu
ea
ec
ee
el
en
er
eu
ga
gc
ge
go
gu
ha
he
hg
hl
hn
ho
hr
la
le
lh
lr
lu
na
nc
ne
ng
nh
no
nt
nu
oh
on
or
ra
re
rg
rh
rn
ro
ru
ta
tc
te
th
tl
tn
un
ur
ut
a
c
e
g
h
l
n
o
r
t
u
counterbalanced
counterblast
counterblow
counterbombardment
counterbore
countercharge
countercheck
counterclaim
counterclockwise