12-Letter Words Matching ____B____N__

There are 18 12-letter words that match ____B____N__. 6 are common words, such as BOOKBINDINGS and DISABLEMENTS. A rarer one is THEOBROMINES. In this set, I is the most frequent open letter (16 words). 3 words contain a doubled letter.

Full list 18

bookbindingsdisablementsdisobedienceennoblementsoverburdenedpawnbrokingsexhibitionerfirebombingsnonobediencesubabdominalbearbaitingsbullbaitingsdrumbeatingsimbibitionallinebackingssailboatingstalebearingstheobromines

About this list

Words
18 (6 common words)
Common example
bookbindings
Rare example
theobromines
Doubled letters
3
Ending in S
12
Most frequent letter
I (16)

Questions

How many 12-letter words matching ____b____n__ are there?

18. 6 of them are common words.

What is a common example?

BOOKBINDINGS is among the common words in this set.