11-Letter Words Matching D_____F____

There are 12 11-letter words that match D_____F____. 7 are common words, such as DAMSELFLIES and DEBRIEFINGS. A rarer one is DISTELFINKS. In this set, I is the most frequent open letter (12 words). 1 words contain a doubled letter.

Full list 12

damselfliesdebriefingsdeceitfullydetoxifyingdiscomfiteddiscomfortsdragonfliesdenazifyingdobsonfliesdeadliftingdisconfirmsdistelfinks

About this list

Words
12 (7 common words)
Common example
damselflies
Rare example
distelfinks
Doubled letters
1
Ending in S
7
Most frequent letter
I (12)

Questions

How many 11-letter words matching d_____f____ are there?

12. 7 of them are common words.

What is a common example?

DAMSELFLIES is among the common words in this set.