13-Letter Words Matching B_____R______

There are 19 13-letter words that match B_____R______. 8 are common words, such as BACKSTRETCHES and BICAMERALISMS. A rarer one is BURGLARIOUSLY. In this set, S is the most frequent open letter (16 words). 5 words contain a doubled letter.

Full list 19

backstretchesbicameralismsbiodegradableblabbermouthsblunderbussesbootstrappingbrotherlinessburglarproofsbackscratcherbackwardationbioenergeticsblatherskitesblepharitidesbilateralismsbiometriciansblepharoplastblepharospasmbromocriptineburglariously

About this list

Words
19 (8 common words)
Common example
backstretches
Rare example
burglariously
Doubled letters
5
Ending in S
11
Most frequent letter
S (16)

Questions

How many 13-letter words matching b_____r______ are there?

19. 8 of them are common words.

What is a common example?

BACKSTRETCHES is among the common words in this set.