11-Letter Words Matching ________X_S

There are 28 11-letter words that match ________X_S. 7 are common words, such as EXECUTRIXES and MULTIPLEXES. A rarer one is THIGMOTAXES. In this set, E is the most frequent open letter (23 words). 5 words contain a doubled letter.

Full list 28

Common words

executrixesmultiplexesprophylaxesprophylaxisshadowboxesstrongboxestinderboxesanaphylaxesanaphylaxisheterotaxisletterboxesphyllotaxes
executrixesmultiplexesprophylaxesprophylaxisshadowboxesstrongboxestinderboxesanaphylaxesanaphylaxisheterotaxisletterboxesphyllotaxesphyllotaxisprothoraxesrattleboxesstereotaxisthermotaxisthigmotaxischionodoxasciphertextsdirectrixesdisclimaxesmediatrixesneocortexespepperboxessubclimaxesthermotaxesthigmotaxes

About this list

Words
28 (7 common words)
Common example
executrixes
Rare example
thigmotaxes
Doubled letters
5
Ending in S
28
Most frequent letter
E (23)

Questions

How many 11-letter words matching ________x_s are there?

28. 7 of them are common words.

What is a common example?

EXECUTRIXES is among the common words in this set.