9-Letter Words Matching _____BU__

There are 21 9-letter words that match _____BU__. 7 are common words, such as ATTRIBUTE and FLASHBULB. A rarer one is UNDERBUYS. In this set, S is the most frequent open letter (15 words). 5 words contain a doubled letter.

Full list 21

attributeflashbulbheartburnmealybugspolitburostinkbugsvestibulespicebushsuperbugssyllabubswaterbuckacetabulagreenbugshoneybunslightbulbpinchbugssillabubssillibubsthornbushunderbudsunderbuys

About this list

Words
21 (7 common words)
Common example
attribute
Rare example
underbuys
Doubled letters
5
Ending in S
11
Most frequent letter
S (15)

Questions

How many 9-letter words matching _____bu__ are there?

21. 7 of them are common words.

What is a common example?

ATTRIBUTE is among the common words in this set.