15-Letter Words Matching B__________I___

There are 21 15-letter words that match B__________I___. 8 are common words, such as BACKSCRATCHINGS and BACTERIOLOGICAL. A rarer one is BRONCHOSCOPISTS. 3 words contain a doubled letter.

Full list 21

backscratchingsbacteriologicalbacteriologistsbastardizationsbeautificationsbibliographicalbloodthirstiestbowdlerizationsbioengineeringsbioremediationsbackscatteringsbenzodiazepinesbidialectalismsbiodegradationsbiogeographicalbiomathematicalbiosystematistsbipolarizationsbituminizationsblaxploitationsbronchoscopists

About this list

Words
21 (8 common words)
Common example
backscratchings
Rare example
bronchoscopists
Doubled letters
3
Ending in S
16

Questions

How many 15-letter words matching b__________i___ are there?

21. 8 of them are common words.

What is a common example?

BACKSCRATCHINGS is among the common words in this set.