11-Letter Words Matching ____O_B____

There are 15 11-letter words that match ____O_B____. 4 are common words, such as CANNONBALLS and SCHOOLBOOKS. A rarer one is SKIBOBBINGS. In this set, S is the most frequent open letter (13 words). 8 words contain a doubled letter.

Full list 15

cannonballsschoolbooksshadowboxedshadowboxeslingonberrymarrowbonespostorbitalsalmonberrytailorbirdsyellowbirdsbuttonballscoxcombicalcoxcombriesmisdoubtingskibobbings

About this list

Words
15 (4 common words)
Common example
cannonballs
Rare example
skibobbings
Doubled letters
8
Ending in S
9
Most frequent letter
S (13)

Questions

How many 11-letter words matching ____o_b____ are there?

15. 4 of them are common words.

What is a common example?

CANNONBALLS is among the common words in this set.