12-Letter Words Matching B_B_________

There are 19 12-letter words that match B_B_________. 4 are common words, such as BABYSITTINGS and BIBLIOGRAPHY. A rarer one is BUBBLEHEADED. In this set, I is the most frequent open letter (18 words). 4 words contain a doubled letter.

Full list 19

babysittingsbibliographybibliophilesbobsleighingbibliomaniasbibliophilicbibliothecasbobsleddingsbabesiosisesbibliolatersbibliologiesbibliomaniacbibliopegiesbibliopegistbibliopolistbibliothecaebibliothecalbibulousnessbubbleheaded

About this list

Words
19 (4 common words)
Common example
babysittings
Rare example
bubbleheaded
Doubled letters
4
Ending in S
10
Most frequent letter
I (18)

Questions

How many 12-letter words matching b_b_________ are there?

19. 4 of them are common words.

What is a common example?

BABYSITTINGS is among the common words in this set.