13-Letter Words Matching _X________E__

There are 20 13-letter words that match _X________E__. 9 are common words, such as EXCLUSIVENESS and EXCURSIVENESS. A rarer one is EXTENSOMETERS. In this set, E is the most frequent open letter (20 words). 12 words contain a doubled letter.

Full list 20

exclusivenessexcursivenessexpansivenessexpensivenessexperimentersexplosivenessexquisitenessextensivenessextinguishersexcessivenessexcitablenessexemplarinessexhibitionersexcusablenessexecrablenessexplanativelyexplicativelyexplorativelyextemporizersextensometers

About this list

Words
20 (9 common words)
Common example
exclusiveness
Rare example
extensometers
Doubled letters
12
Ending in S
17
Most frequent letter
E (20)

Questions

How many 13-letter words matching _x________e__ are there?

20. 9 of them are common words.

What is a common example?

EXCLUSIVENESS is among the common words in this set.