9-Letter Words Matching __B____U_

There are 20 9-letter words that match __B____U_. 8 are common words, such as AMBIGUOUS and AMBITIOUS. A rarer one is TABLESFUL. In this set, S is the most frequent open letter (16 words). 2 words contain a doubled letter.

Full list 20

ambiguousambitiousarboretumbubblegumlaboriouslibelloussebaceousumbilicusambagiousarboreousarboviruscobaltouscubiculumcybernautfabaceousfibrinoussubphylumkabeljouslubricoustablesful

About this list

Words
20 (8 common words)
Common example
ambiguous
Rare example
tablesful
Doubled letters
2
Ending in S
14
Most frequent letter
S (16)

Questions

How many 9-letter words matching __b____u_ are there?

20. 8 of them are common words.

What is a common example?

AMBIGUOUS is among the common words in this set.