13-Letter Words Matching _____F______E

There are 19 13-letter words that match _____F______E. 5 are common words, such as NONREFILLABLE and NONREFUNDABLE. A rarer one is UNPERFORMABLE. In this set, A is the most frequent open letter (18 words). 6 words contain a doubled letter.

Full list 19

nonrefillablenonrefundabletransformableuncomfortableunconformableproliferativesignificativetransferrableunfulfillabledisaffirmancejustificativemicrofilariaemicrofilmablenondeferrablenondiffusibletetrafluorideultrafeminineultrafiltrateunperformable

About this list

Words
19 (5 common words)
Common example
nonrefillable
Rare example
unperformable
Doubled letters
6
Ending in S
0
Most frequent letter
A (18)

Questions

How many 13-letter words matching _____f______e are there?

19. 5 of them are common words.

What is a common example?

NONREFILLABLE is among the common words in this set.