7-Letter Words Matching _____X_

There are 18 7-letter words that match _____X_. 5 are common words, such as BETWIXT and CONTEXT. A rarer one is SUBTAXA. In this set, E is the most frequent open letter (13 words). 1 words contain a doubled letter.

Full list 18

betwixtcontextpickaxepretextsubtextataraxyepitaxyhydroxymeataxepoleaxeanorexyasphyxycachexycommixtmethoxyphenoxypremixtsubtaxa

About this list

Words
18 (5 common words)
Common example
betwixt
Rare example
subtaxa
Doubled letters
1
Ending in S
0
Most frequent letter
E (13)

Questions

How many 7-letter words matching _____x_ are there?

18. 5 of them are common words.

What is a common example?

BETWIXT is among the common words in this set.