14-Letter Words Matching B____O________

There are 12 14-letter words that match B____O________. 3 are common words, such as BIBLIOGRAPHERS and BIBLIOGRAPHIES. A rarer one is BUTYROPHENONES. 3 words contain a doubled letter.

Full list 12

bibliographersbibliographiesbrontosaurusesbiogeographiesbamboozlementsbenevolentnessbibliomaniacalbibliophilismsbibulousnessesbiogeochemicalbiogeographersbutyrophenones

About this list

Words
12 (3 common words)
Common example
bibliographers
Rare example
butyrophenones
Doubled letters
3
Ending in S
10

Questions

How many 14-letter words matching b____o________ are there?

12. 3 of them are common words.

What is a common example?

BIBLIOGRAPHERS is among the common words in this set.