Countable Nouns Ending in X and Containing O

Browse 443 valid English countable nouns ending in X and containing O, from Box, Complex, Fox, Inbox, Paradox, Mailbox and Sandbox to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to review singular and plural count rules.

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Starts with A
18 words
archaeopteryx
airprox
autoindex
anaprox
apoplex
androsphinx
acinonyx
alopex
admonitrix
advocatrix
anomalopteryx
acanthopanax
acronyx
auxotox
autocratrix
archosyrinx
archocystosyrinx
arthrosyrinx
Starts with B
14 words
box
bordeaux
beatbox
boombox
breadbox
bollix
birdbox
brainbox
bandbox
broadax
butterbox
bombyx
bombax
bostryx
Starts with C
24 words
complex
cortex
checkbox
cox
convex
codex
chatterbox
comix
cashbox
coccyx
callbox
cakebox
coolbox
cephalothorax
conflux
coturnix
candlebox
chylothorax
coalbox
cytopharynx
chemoreflex
cheesebox
coix
confix
Starts with D
19 words
detox
dominatrix
dicebox
deedbox
demodex
dogfox
dustbox
delonix
dendrohyrax
donax
doctrix
dropax
dolichonyx
daemonelix
demiox
desmoscolex
dicrostonyx
deutoscolex
dacryosyrinx
Starts with E
15 words
equinox
ecotax
econobox
esox
empidonax
endothrix
esonarthex
echinopanax
endothorax
electroplax
endocortex
erysipelothrix
entothorax
englerophoenix
evocatrix
Starts with F
11 words
fox
firebox
fusebox
fourplex
farebox
fornix
fuzzbox
ferox
forfex
feedbox
fornicatrix
Starts with G
13 words
gearbox
glovebox
gogglebox
googolplex
grassbox
groundprox
gobiesox
geococcyx
gymnothorax
galloperdix
gonyaulax
glommox
gonocalyx
Starts with H
24 words
hoax
hotfix
hotbox
hatbox
horsebox
hemothorax
homeobox
heteroduplex
hypercomplex
headbox
hydrosalpinx
hydrothorax
hemopneumothorax
haybox
hieracosphinx
hypopharynx
homeromastix
hydropneumothorax
hellbox
hemosalpinx
hematosalpinx
hydrohemothorax
histriomastix
hylophylax
Starts with I
13 words
inbox
icebox
improvisatrix
immunocomplex
isolex
interrogatrix
impersonatrix
interlocutrix
iridomyrmex
impostrix
ictonyx
idioreflex
impropriatrix
Starts with J
5 words
jukebox
jackbox
jambox
jawbox
jasponyx
Starts with K
3 words
knox
kotex
kordax
Starts with L
17 words
lunchbox
letterbox
lockbox
lightbox
listbox
lummox
laryngopharynx
loosebox
leiothrix
leptomeninx
liothrix
leptothrix
lophortyx
leucoryx
lagothrix
leipothrix
leiopothrix
Starts with M
24 words
mailbox
matchbox
mirepoix
metroplex
moneybox
muskox
magnox
megalonyx
microvax
mousseux
mesothorax
mesoappendix
mesosalpinx
metathorax
mesonyx
moderatrix
microlux
monax
monitrix
microsorex
microthorax
micropteryx
myeloplax
medithorax
Starts with N
18 words
neocortex
nox
nestbox
nasopharynx
neoorthodox
ninox
noix
novatrix
nominatrix
nycticorax
negotiatrix
nomophylax
nectocalyx
notiosorex
neosorex
nautilocalyx
notaulix
nonflux
Starts with O
24 words
orthodox
ox
onyx
outbox
oryx
oropharynx
outflux
obex
octuplex
opoponax
oratrix
opifex
oleothorax
ortyx
opopanax
obstetrix
orthonyx
odax
otosalpinx
oxylabrax
osculatrix
odontopteryx
olax
operatrix
Starts with P
24 words
phoenix
paradox
pox
postbox
pillbox
phlox
pneumothorax
poleax
postfix
paintbox
pillarbox
pontifex
pepperbox
pollex
poorbox
proprietrix
prosecutrix
playbox
prothorax
pompholyx
paybox
pyothorax
paleocortex
pegbox
Starts with R
7 words
roux
retox
retroflex
rattlebox
radiotelex
rhinopharynx
retroflux
Starts with S
24 words
sandbox
shoebox
soapbox
skybox
strongbox
squeezebox
snuffbox
shadowbox
saltbox
sportsplex
sweatbox
sardonyx
soundbox
seedbox
signalbox
supercomplex
saucebox
subcortex
scorebox
scolex
sidebox
sinkbox
smokebox
showbox
Starts with T
21 words
toolbox
thorax
tinderbox
toybox
talkbox
thunderbox
teabox
toadflax
tuckbox
tuckerbox
tortrix
trimox
tarbox
trionyx
thoroughwax
thiothrix
trichoplax
touchbox
thriftbox
trophothylax
theomastix
Starts with U
4 words
uromastyx
uromastix
underbox
ulothrix
Starts with V
6 words
vortex
vox
voicebox
volvox
videotex
vasoreflex
Starts with W
8 words
windowbox
woodbox
watchbox
werefox
workbox
wheelbox
woodwax
woadwax
Starts with X
1 words
xerox

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