12-Letter Words Matching ____B___A___

There are 13 12-letter words that match ____B___A___. 6 are common words, such as CHAMBERLAINS and CHAMBERMAIDS. A rarer one is RELUBRICATES. 2 words contain a doubled letter.

Full list 13

chamberlainschambermaidsflabbergastsreimbursabletroublemakervagabondagestrombidiasisdefibrinateddefibrinateshypabyssallyphlebographyrelubricatedrelubricates

About this list

Words
13 (6 common words)
Common example
chamberlains
Rare example
relubricates
Doubled letters
2
Ending in S
7

Questions

How many 12-letter words matching ____b___a___ are there?

13. 6 of them are common words.

What is a common example?

CHAMBERLAINS is among the common words in this set.