11-Letter Words Matching _____R_F___

There are 18 11-letter words that match _____R_F___. 5 are common words, such as COUNTRIFIED and ELECTRIFIED. A rarer one is UNCLARIFIED. In this set, E is the most frequent open letter (16 words). 2 words contain a doubled letter.

Full list 18

countrifiedelectrifiedelectrifierelectrifieshandcraftedcrossruffeddenitrifieddenitrifiesdevitrifieddevitrifiesdolabriformelectroformscalariformallograftedautograftedcountryfieddenitrifierunclarified

About this list

Words
18 (5 common words)
Common example
countrified
Rare example
unclarified
Doubled letters
2
Ending in S
3
Most frequent letter
E (16)

Questions

How many 11-letter words matching _____r_f___ are there?

18. 5 of them are common words.

What is a common example?

COUNTRIFIED is among the common words in this set.