8-Letter Words Matching _____OF_

There are 13 8-letter words that match _____OF_. 8 are common words, such as BLASTOFF and BRUSHOFF. A rarer one is WITLOOFS. In this set, S is the most frequent open letter (9 words). 10 words contain a doubled letter.

Full list 13

blastoffbrushoffcheckoffknockoffreproofsstandoffsunroofstradeoffcockloftsemisoftoversoftshadoofswitloofs

About this list

Words
13 (8 common words)
Common example
blastoff
Rare example
witloofs
Doubled letters
10
Ending in S
4
Most frequent letter
S (9)

Questions

How many 8-letter words matching _____of_ are there?

13. 8 of them are common words.

What is a common example?

BLASTOFF is among the common words in this set.