12-Letter Words Matching _____B_O____

There are 19 12-letter words that match _____B_O____. 7 are common words, such as AMPHIBIOUSLY and GLASSBLOWERS. A rarer one is POWERBROKERS. In this set, I is the most frequent open letter (16 words). 2 words contain a doubled letter.

Full list 19

amphibiouslyglassblowersglassblowingmacrobioticsmicrobiologystockbrokersstockbrokingastrobiologydisembroiledgnotobioticsneurobiologypaleobiologyphytobiologyradiobiologysociobiologyhydrobiologypathobiologyphotobiologypowerbrokers

About this list

Words
19 (7 common words)
Common example
amphibiously
Rare example
powerbrokers
Doubled letters
2
Ending in S
5
Most frequent letter
I (16)

Questions

How many 12-letter words matching _____b_o____ are there?

19. 7 of them are common words.

What is a common example?

AMPHIBIOUSLY is among the common words in this set.