Nouns Ending in EX and Containing O

Browse 62 valid English nouns ending in EX and containing O, from Complex, Cortex, Vortex, Forex, Convex, Codex and Neocortex to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to review pluralization and capitalization rules.

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Starts with A
3 words
autoindex
apoplex
alopex
Starts with C
8 words
complex
cortex
convex
codex
celotex
chemoreflex
contraplex
cerebellocortex
Starts with D
3 words
demodex
desmoscolex
deutoscolex
Starts with E
2 words
esonarthex
endocortex
Starts with F
3 words
forex
fourplex
forfex
Starts with G
1 words
googolplex
Starts with H
4 words
heterosex
heteroduplex
homosex
hypercomplex
Starts with I
5 words
immunocomplex
isolex
imposex
iridomyrmex
idioreflex
Starts with K
1 words
kotex
Starts with M
2 words
metroplex
microsorex
Starts with N
5 words
neocortex
norflex
notiosorex
neosorex
nohex
Starts with O
3 words
obex
octuplex
opifex
Starts with P
11 words
pontifex
pollex
paleocortex
prorex
podex
pseudocortex
phonoplex
petrosilex
proscolex
psychoreflex
phantoplex
Starts with R
2 words
retroflex
radiotelex
Starts with S
5 words
sportsplex
supercomplex
subcortex
scolex
sorex
Starts with T
1 words
torpex
Starts with V
3 words
vortex
videotex
vasoreflex

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