9-Letter Words Matching _N_F_____

There are 16 9-letter words that match _N_F_____. 7 are common words, such as INEFFABLE and INEFFABLY. A rarer one is UNIFORMER. In this set, I is the most frequent open letter (14 words). 11 words contain a doubled letter.

Full list 16

ineffableineffablysnafflingsnifflingsnufflinguniformeduniformlysniffiestunifiableunofferedknifelikesnifflerssnuffiestsnufflerssnufflieruniformer

About this list

Words
16 (7 common words)
Common example
ineffable
Rare example
uniformer
Doubled letters
11
Ending in S
2
Most frequent letter
I (14)

Questions

How many 9-letter words matching _n_f_____ are there?

16. 7 of them are common words.

What is a common example?

INEFFABLE is among the common words in this set.