8-Letter Words Matching R_____F_

There are 15 8-letter words that match R_____F_. 4 are common words, such as REPROOFS and RESTAFFS. A rarer one is RESTUFFS. In this set, E is the most frequent open letter (13 words). 5 words contain a doubled letter.

Full list 15

reproofsrestaffsrevivifyriffraffredshiftremodifyrenotifyreverifyrigidifyrakeoffsrecodifyrepacifyrepurifyresinifyrestuffs

About this list

Words
15 (4 common words)
Common example
reproofs
Rare example
restuffs
Doubled letters
5
Ending in S
4
Most frequent letter
E (13)

Questions

How many 8-letter words matching r_____f_ are there?

15. 4 of them are common words.

What is a common example?

REPROOFS is among the common words in this set.