13-Letter Words Matching S__F_________

There are 15 13-letter words that match S__F_________. 4 are common words, such as SELFISHNESSES and SHIFTLESSNESS. A rarer one is SULFUROUSNESS. 6 words contain a doubled letter.

Full list 15

selfishnessesshiftlessnessshuffleboardssufficienciessuffocatinglysulfamerazinesulfanilamidesulfapyrazinesulfapyridinesulfathiazolesulfonmethanesurfboardingssulfadiazinessulfonylureassulfurousness

About this list

Words
15 (4 common words)
Common example
selfishnesses
Rare example
sulfurousness
Doubled letters
6
Ending in S
8

Questions

How many 13-letter words matching s__f_________ are there?

15. 4 of them are common words.

What is a common example?

SELFISHNESSES is among the common words in this set.