13-Letter Words Matching ______BU_____

There are 18 13-letter words that match ______BU_____. 9 are common words, such as BRONCOBUSTERS and CHEESEBURGERS. A rarer one is PRECOMBUSTION. In this set, S is the most frequent open letter (17 words). 4 words contain a doubled letter.

Full list 18

broncobusterscheeseburgerscontributionsdistributionsjitterbuggersjitterbuggingsomnambulismssomnambulistssuperabundantdistributablenoctambulismsnoctambulistssomnambulatedsomnambulatesveggieburgersharquebusierspostdebutanteprecombustion

About this list

Words
18 (9 common words)
Common example
broncobusters
Rare example
precombustion
Doubled letters
4
Ending in S
12
Most frequent letter
S (17)

Questions

How many 13-letter words matching ______bu_____ are there?

18. 9 of them are common words.

What is a common example?

BRONCOBUSTERS is among the common words in this set.