13-Letter Words Matching B_O__________

There are 35 13-letter words that match B_O__________. 15 are common words, such as BIOCHEMICALLY and BIODEGRADABLE. A rarer one is BRONCHOSPASMS. In this set, I is the most frequent open letter (30 words). 10 words contain a doubled letter.

Full list 35

Common words

biochemicallybiodegradablebiophysicistsbiotechnologyblockbustingsbloodcurdlingbloodlessnessbloodlettingsbookbinderiesboorishnessesbootstrappingbroadcastings
biochemicallybiodegradablebiophysicistsbiotechnologyblockbustingsbloodcurdlingbloodlessnessbloodlettingsbookbinderiesboorishnessesbootstrappingbroadcastingsbrokenheartedbroncobustersbrotherlinessbioconversionbioenergeticsbiogeographerbiomechanicalbronchoscopesbioactivitiesbiocompatiblebioelectricalbioengineeredbiogeographicbiometriciansbioscientificbioscientistsbiostatisticsbiosystematicbiotelemetricbookishnessesbromocriptinebronchoscopicbronchospasms

About this list

Words
35 (15 common words)
Common example
biochemically
Rare example
bronchospasms
Doubled letters
10
Ending in S
17
Most frequent letter
I (30)

Questions

How many 13-letter words matching b_o__________ are there?

35. 15 of them are common words.

What is a common example?

BIOCHEMICALLY is among the common words in this set.