13-Letter Words Matching _E______F____

There are 12 13-letter words that match _E______F____. 8 are common words, such as DECLASSIFYING and DEHUMIDIFIERS. A rarer one is RESOLIDIFYING. In this set, I is the most frequent open letter (10 words). 4 words contain a doubled letter.

Full list 12

declassifyingdehumidifiersdehumidifyingreclassifyingreproachfullyresourcefullyweightliftersweightliftingrecentrifugedrecentrifugesreidentifyingresolidifying

About this list

Words
12 (8 common words)
Common example
declassifying
Rare example
resolidifying
Doubled letters
4
Ending in S
3
Most frequent letter
I (10)

Questions

How many 13-letter words matching _e______f____ are there?

12. 8 of them are common words.

What is a common example?

DECLASSIFYING is among the common words in this set.