11-Letter Words Matching ____B_____Y

There are 19 11-letter words that match ____B_____Y. 7 are common words, such as ACERBICALLY and AEROBICALLY. A rarer one is TROUBLOUSLY. In this set, L is the most frequent open letter (15 words). 6 words contain a doubled letter.

Full list 19

acerbicallyaerobicallybookbinderycelebratoryflamboyancyilliberallyindubitablyaerobiologyagrobiologycryobiologyinhabitancymoribunditystumblinglythrobbinglytremblinglyundebatablyfussbudgetygrumblinglytroublously

About this list

Words
19 (7 common words)
Common example
acerbically
Rare example
troublously
Doubled letters
6
Ending in S
0
Most frequent letter
L (15)

Questions

How many 11-letter words matching ____b_____y are there?

19. 7 of them are common words.

What is a common example?

ACERBICALLY is among the common words in this set.