13-Letter Words Containing DIF

There are 24 13-letter words that contain DIF. 9 are common words, such as CODIFICATIONS and DEHUMIDIFIERS. A rarer one is RESOLIDIFYING. In this set, N is the most frequent open letter (20 words). 13 words contain a doubled letter.

Full list 24

codificationsdehumidifiersdehumidifyingdifferentialsdifferentiatediffusenessesindifferencesindifferentlymodificationsacidificationdifferentnesssplendiferouscodifiabilitydandificationdiffusionismsdiffusionistsdiffusivenessdiffusivitiesinterdiffusedinterdiffusesmodifiabilitynidificationsnondiffusibleresolidifying

About this list

Words
24 (9 common words)
Common example
codifications
Rare example
resolidifying
Doubled letters
13
Ending in S
14
Most frequent letter
N (20)

Questions

How many 13-letter words containing dif are there?

24. 9 of them are common words.

What is a common example?

CODIFICATIONS is among the common words in this set.