12-Letter Words Matching _____X_____S

There are 12 12-letter words that match _____X_____S. 3 are common words, such as ANTIOXIDANTS and APPROXIMATES. A rarer one is SUBLUXATIONS. In this set, O is the most frequent open letter (12 words). 2 words contain a doubled letter.

Full list 12

antioxidantsapproximatessuffixationscarboxylatescarboxylaseshydroxylaseshydroxylateshydroxyureashydroxyzinesoverexplainsoverexploitssubluxations

About this list

Words
12 (3 common words)
Common example
antioxidants
Rare example
subluxations
Doubled letters
2
Ending in S
12
Most frequent letter
O (12)

Questions

How many 12-letter words matching _____x_____s are there?

12. 3 of them are common words.

What is a common example?

ANTIOXIDANTS is among the common words in this set.