Countable Nouns Ending in EX and Containing CO

This list gathers 18 English countable nouns ending in EX and containing CO, such as Complex, Cortex, Convex, Codex, Neocortex, Supercomplex and Hypercomplex. Use the sorting controls below to organize entries by length, or consult our noun grammar guide to review singular and plural count rules.

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Starts with C
6 words
complex
cortex
convex
codex
contraplex
cerebellocortex
Starts with D
2 words
desmoscolex
deutoscolex
Starts with E
1 words
endocortex
Starts with H
1 words
hypercomplex
Starts with I
1 words
immunocomplex
Starts with N
1 words
neocortex
Starts with P
3 words
paleocortex
pseudocortex
proscolex
Starts with S
3 words
supercomplex
subcortex
scolex

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