14-Letter Words Matching F_____I_______

There are 15 14-letter words that match F_____I_______. 7 are common words, such as FALSIFICATIONS and FASTIDIOUSNESS. A rarer one is FILIOPIETISTIC. In this set, S is the most frequent open letter (15 words). 7 words contain a doubled letter.

Full list 15

falsificationsfastidiousnessfertilizationsformalizationsforthrightnessfortificationsfossilizationsfactitiousnessfactorizationsfallaciousnessfalsifiabilityfictitiousnessflagitiousnessfeudalizationsfiliopietistic

About this list

Words
15 (7 common words)
Common example
falsifications
Rare example
filiopietistic
Doubled letters
7
Ending in S
13
Most frequent letter
S (15)

Questions

How many 14-letter words matching f_____i_______ are there?

15. 7 of them are common words.

What is a common example?

FALSIFICATIONS is among the common words in this set.