15-Letter Words Matching B_O____________

There are 24 15-letter words that match B_O____________. 5 are common words, such as BIOTECHNOLOGIES and BLOODLESSNESSES. A rarer one is BRONCHOSCOPISTS. In this set, I is the most frequent open letter (22 words). 7 words contain a doubled letter.

Full list 24

biotechnologiesbloodlessnessesbloodthirstiestbrokenheartedlybrotherlinessesbioastronauticsbioengineeringsbiogeochemistrybioluminescencebioremediationsbiotechnologistbroadmindednessbioavailabilitybiodegradationsbiogeochemicalsbiogeographicalbiomathematicalbiomechanicallybiostatisticianbiostratigraphybiosystematistsbloodguiltinessbronchodilatorsbronchoscopists

About this list

Words
24 (5 common words)
Common example
biotechnologies
Rare example
bronchoscopists
Doubled letters
7
Ending in S
13
Most frequent letter
I (22)

Questions

How many 15-letter words matching b_o____________ are there?

24. 5 of them are common words.

What is a common example?

BIOTECHNOLOGIES is among the common words in this set.