7-Letter Words Matching ___F_I_

There are 14 7-letter words that match ___F_I_. 9 are common words, such as AIRFOIL and FORFEIT. A rarer one is REAFFIX. In this set, R is the most frequent open letter (10 words). 5 words contain a doubled letter.

Full list 14

airfoilforfeitgriffinhalfwitparfaitsurfeittinfoiltraffictrefoilfunfairtriffidcaffeinmilfoilreaffix

About this list

Words
14 (9 common words)
Common example
airfoil
Rare example
reaffix
Doubled letters
5
Ending in S
0
Most frequent letter
R (10)

Questions

How many 7-letter words matching ___f_i_ are there?

14. 9 of them are common words.

What is a common example?

AIRFOIL is among the common words in this set.