8-Letter Words Matching ___R_X__

There are 12 8-letter words that match ___R_X__. 4 are common words, such as ANOREXIA and ANOREXIC. A rarer one is THYROXIN. In this set, A is the most frequent open letter (9 words). 0 words contain a doubled letter.

Full list 12

anorexiaanorexicmatrixesthoraxesataraxiaataraxichydroxylstoraxesstyraxesneuraxontetroxidthyroxin

About this list

Words
12 (4 common words)
Common example
anorexia
Rare example
thyroxin
Doubled letters
0
Ending in S
4
Most frequent letter
A (9)

Questions

How many 8-letter words matching ___r_x__ are there?

12. 4 of them are common words.

What is a common example?

ANOREXIA is among the common words in this set.