12-Letter Words Matching ________X___

There are 19 12-letter words that match ________X___. 7 are common words, such as BULIMAREXIAS and HETERODOXIES. A rarer one is PHYTOALEXINS. In this set, E is the most frequent open letter (17 words). 3 words contain a doubled letter.

Full list 19

bulimarexiasheterodoxiesheterosexualmultiplexersmultiplexingmultiplexorsshadowboxingmethotrexatemultiplexitypsychosexualpyrrhuloxiasretroflexionendoperoxideenterotoxinsheteroauxinsletterboxingmetagalaxiesphyllotaxiesphytoalexins

About this list

Words
19 (7 common words)
Common example
bulimarexias
Rare example
phytoalexins
Doubled letters
3
Ending in S
10
Most frequent letter
E (17)

Questions

How many 12-letter words matching ________x___ are there?

19. 7 of them are common words.

What is a common example?

BULIMAREXIAS is among the common words in this set.