13-Letter Words Matching ____F_______Y

There are 16 13-letter words that match ____F_______Y. 8 are common words, such as ARTIFICIALITY and INDEFATIGABLY. A rarer one is MODIFIABILITY. In this set, I is the most frequent open letter (15 words). 9 words contain a doubled letter.

Full list 16

artificialityindefatigablyindifferentlyineffectivelyineffectuallyinefficientlyinoffensivelyinsufficiencyantifertilitydisaffectedlynonofficiallyunoffensivelyverifiabilitycodifiabilitygyrofrequencymodifiability

About this list

Words
16 (8 common words)
Common example
artificiality
Rare example
modifiability
Doubled letters
9
Ending in S
0
Most frequent letter
I (15)

Questions

How many 13-letter words matching ____f_______y are there?

16. 8 of them are common words.

What is a common example?

ARTIFICIALITY is among the common words in this set.