13-Letter Words Matching __F________T_

There are 18 13-letter words that match __F________T_. 8 are common words, such as BEFUDDLEMENTS and DIFFERENTIATE. A rarer one is REFUNDABILITY. In this set, I is the most frequent open letter (16 words). 7 words contain a doubled letter.

Full list 18

befuddlementsdifferentiateenfeeblementsinfallibilityinflexibilityinfotainmentsinfringementsunfamiliarityaffordabilityanfractuositydefensibilityinfeasibilityaffectabilitydefeasibilitydiffusionistsinflationistsreformabilityrefundability

About this list

Words
18 (8 common words)
Common example
befuddlements
Rare example
refundability
Doubled letters
7
Ending in S
6
Most frequent letter
I (16)

Questions

How many 13-letter words matching __f________t_ are there?

18. 8 of them are common words.

What is a common example?

BEFUDDLEMENTS is among the common words in this set.