12-Letter Words Matching S___F_______

There are 13 12-letter words that match S___F_______. 5 are common words, such as SCAFFOLDINGS and SEMIFINALIST. A rarer one is SUREFOOTEDLY. In this set, I is the most frequent open letter (11 words). 7 words contain a doubled letter.

Full list 13

scaffoldingssemifinalistshuffleboardstagflationsstuffinessessolifluctionsemifinishedsemiflexiblesniffinessessniffishnessspiffinessesstepfamiliessurefootedly

About this list

Words
13 (5 common words)
Common example
scaffoldings
Rare example
surefootedly
Doubled letters
7
Ending in S
7
Most frequent letter
I (11)

Questions

How many 12-letter words matching s___f_______ are there?

13. 5 of them are common words.

What is a common example?

SCAFFOLDINGS is among the common words in this set.