10-Letter Words Matching ______X_N_

There are 26 10-letter words that match ______X_N_. 4 are common words, such as ANTITOXINS and FLUMMOXING. A rarer one is SAXITOXINS. In this set, I is the most frequent open letter (23 words). 5 words contain a doubled letter.

Full list 26

Common words

antitoxinsflummoxingovertaxingperplexingkickboxingpolymyxinspyridoxinewoadwaxenswoodwaxensaflatoxinsantiauxinsautosexing
antitoxinsflummoxingovertaxingperplexingkickboxingpolymyxinspyridoxinewoadwaxenswoodwaxensaflatoxinsantiauxinsautosexingcoannexingcomplexingcytotoxinsdigitoxinsendotoxinsmycotoxinsnaltrexoneoutjinxingovermixingpostfixingreaffixingreannexingreindexingsaxitoxins

About this list

Words
26 (4 common words)
Common example
antitoxins
Rare example
saxitoxins
Doubled letters
5
Ending in S
11
Most frequent letter
I (23)

Questions

How many 10-letter words matching ______x_n_ are there?

26. 4 of them are common words.

What is a common example?

ANTITOXINS is among the common words in this set.