7-Letter Words Matching ___RF__

There are 12 7-letter words that match ___RF__. 6 are common words, such as DWARFED and FEARFUL. A rarer one is WHARFED. In this set, E is the most frequent open letter (11 words). 1 words contain a doubled letter.

Full list 12

dwarfedfearfuloverfedoverflyscarfedtearfuldeerflydwarferodorfuloverfaroverfatwharfed

About this list

Words
12 (6 common words)
Common example
dwarfed
Rare example
wharfed
Doubled letters
1
Ending in S
0
Most frequent letter
E (11)

Questions

How many 7-letter words matching ___rf__ are there?

12. 6 of them are common words.

What is a common example?

DWARFED is among the common words in this set.