10-Letter Words Matching ___B___O__

There are 21 10-letter words that match ___B___O__. 8 are common words, such as BOMBPROOFS and CUMBERSOME. A rarer one is MISBUTTONS. 4 words contain a doubled letter.

Full list 21

bombproofscumbersomeexobiologyherbaceousmembranousprobationstumbledownturbopropsbombardonscribriformdoubletonslumbricoidribbonwoodstableboystimberworkbarbascoescarbacholscarbanionscombustorskeybuttonsmisbuttons

About this list

Words
21 (8 common words)
Common example
bombproofs
Rare example
misbuttons
Doubled letters
4
Ending in S
14

Questions

How many 10-letter words matching ___b___o__ are there?

21. 8 of them are common words.

What is a common example?

BOMBPROOFS is among the common words in this set.