9-Letter Words Matching __S__F___

There are 40 9-letter words that match __S__F___. 18 are common words, such as BASINFULS and DISAFFECT. A rarer one is UPSHIFTED. In this set, I is the most frequent open letter (32 words). 10 words contain a doubled letter.

Full list 40

Common words

basinfulsdisaffectdisinfectjustifiedjustifiesmisinformmystifiedmystifiespussyfootreshufflerestaffedresurface
basinfulsdisaffectdisinfectjustifiedjustifiesmisinformmystifiedmystifiespussyfootreshufflerestaffedresurfacesassafrassissifiedtestifiedtestifiertestifiesunselfishbisulfatedisaffirmdisinfestdisulfidejustifiermisdefinepisciformbisulfidebisulfitebusulfansdesulfursdisciformdisulfidsenserfingmisinfersmisrefersmystifierrestuffedrussifiedrussifiesunshiftedupshifted

About this list

Words
40 (18 common words)
Common example
basinfuls
Rare example
upshifted
Doubled letters
10
Ending in S
11
Most frequent letter
I (32)

Questions

How many 9-letter words matching __s__f___ are there?

40. 18 of them are common words.

What is a common example?

BASINFULS is among the common words in this set.