15-Letter Words Matching _____FI________

There are 12 15-letter words that match _____FI________. 6 are common words, such as DISAFFILIATIONS and INSUFFICIENCIES. A rarer one is ULTRAFILTRATION. In this set, N is the most frequent open letter (12 words). 6 words contain a doubled letter.

Full list 12

disaffiliationsinsufficienciesphotofinishingsreconfirmationstransfigurationunselfishnessesreconfigurationsuperficialnessunprofitabilityneurofibrillarytightfistednessultrafiltration

About this list

Words
12 (6 common words)
Common example
disaffiliations
Rare example
ultrafiltration
Doubled letters
6
Ending in S
7
Most frequent letter
N (12)

Questions

How many 15-letter words matching _____fi________ are there?

12. 6 of them are common words.

What is a common example?

DISAFFILIATIONS is among the common words in this set.