14-Letter Words Matching __F_A_________

There are 14 14-letter words that match __F_A_________. 3 are common words, such as INFLAMMABILITY and INFRASTRUCTURE. A rarer one is REFRANGIBILITY. In this set, I is the most frequent open letter (13 words). 7 words contain a doubled letter.

Full list 14

inflammabilityinfrastructureunflappabilityinfralapsarianinfrangibilityrefractivenessrefractivitiesrefractometersrefractorinessunflatteringlybuffaloberriesinflammatorilyrefractometricrefrangibility

About this list

Words
14 (3 common words)
Common example
inflammability
Rare example
refrangibility
Doubled letters
7
Ending in S
5
Most frequent letter
I (13)

Questions

How many 14-letter words matching __f_a_________ are there?

14. 3 of them are common words.

What is a common example?

INFLAMMABILITY is among the common words in this set.