13-Letter Words Matching ____B__A_____

There are 17 13-letter words that match ____B__A_____. 6 are common words, such as COHABITATIONS and DELIBERATIONS. A rarer one is STROBILATIONS. In this set, I is the most frequent open letter (17 words). 2 words contain a doubled letter.

Full list 17

cohabitationsdeliberationsflamboyanciesinsubstantialoverbalancingunsubstantialilliberalnessinhabitanciesstrobilaceousilliberalismsinfibulationsinhabitationsobnubilationsoverbleachingoverbreathingpolybutadienestrobilations

About this list

Words
17 (6 common words)
Common example
cohabitations
Rare example
strobilations
Doubled letters
2
Ending in S
11
Most frequent letter
I (17)

Questions

How many 13-letter words matching ____b__a_____ are there?

17. 6 of them are common words.

What is a common example?

COHABITATIONS is among the common words in this set.