9-Letter Words Matching ____EX___

There are 23 9-letter words that match ____EX___. 12 are common words, such as ANOREXIAS and ANOREXICS. A rarer one is REFLEXING. In this set, I is the most frequent open letter (18 words). 2 words contain a doubled letter.

Full list 23

anorexiasanorexicsconnexionconvexitydyslexiasdyslexicsinflexionnonsexistnonsexualoverexertreflexionreflexivecachexiasdiplexerstippexingunisexualanorexiescachexiesduplexersduplexingpansexualpretextedreflexing

About this list

Words
23 (12 common words)
Common example
anorexias
Rare example
reflexing
Doubled letters
2
Ending in S
9
Most frequent letter
I (18)

Questions

How many 9-letter words matching ____ex___ are there?

23. 12 of them are common words.

What is a common example?

ANOREXIAS is among the common words in this set.