12-Letter Words Matching ______X_____

There are 24 12-letter words that match ______X_____. 7 are common words, such as AMBIDEXTROUS and COMPLEXIONAL. A rarer one is SUPEREXPRESS. In this set, E is the most frequent open letter (22 words). 4 words contain a doubled letter.

Full list 24

ambidextrouscomplexionalcomplexionedcomplexitiesperplexitiesunderexposedunderexposescomplexationcytotaxonomyfluidextracthomosexuallyovertaxationperplexinglyreannexationcomplexifiedcomplexifiescytotoxicityhematoxylinshyperexcitedhyperextendsphotoexcitedphotooxidizepyridoxaminesuperexpress

About this list

Words
24 (7 common words)
Common example
ambidextrous
Rare example
superexpress
Doubled letters
4
Ending in S
8
Most frequent letter
E (22)

Questions

How many 12-letter words matching ______x_____ are there?

24. 7 of them are common words.

What is a common example?

AMBIDEXTROUS is among the common words in this set.