8-Letter Words Ending in EX

There are 13 8-letter words that end in EX. 2 are common words, such as BICONVEX and CYBERSEX. A rarer one is VIDEOTEX. 1 words contain a doubled letter.

Full list 13

biconvexcybersexharuspexinterrexintersexpontifexspinifexsubindexfourplexoctuplexquadplexsupersexvideotex

About this list

Words
13 (2 common words)
Common example
biconvex
Rare example
videotex
Doubled letters
1
Ending in S
0

Questions

How many 8-letter words ending in ex are there?

13. 2 of them are common words.

What is a common example?

BICONVEX is among the common words in this set.