10-Letter Words Matching ______X__S

There are 19 10-letter words that match ______X__S. 2 are common words, such as ANTITOXINS and APOPLEXIES. A rarer one is TRANSAXLES. In this set, I is the most frequent open letter (16 words). 1 words contain a doubled letter.

Full list 19

antitoxinsapoplexiesgigapixelsmegapixelspolymyxinsterapixelswoadwaxenswoodwaxensaflatoxinsantiauxinschronaxiescytotoxinsdigitoxinsendotoxinskickboxersmycotoxinspyridoxalssaxitoxinstransaxles

About this list

Words
19 (2 common words)
Common example
antitoxins
Rare example
transaxles
Doubled letters
1
Ending in S
19
Most frequent letter
I (16)

Questions

How many 10-letter words matching ______x__s are there?

19. 2 of them are common words.

What is a common example?

ANTITOXINS is among the common words in this set.