9-Letter Words Matching ____NF___

There are 12 9-letter words that match ____NF___. 6 are common words, such as BASINFULS and DISINFECT. A rarer one is UNCONFUSE. In this set, S is the most frequent open letter (10 words). 2 words contain a doubled letter.

Full list 12

basinfulsdisinfectmisinformreconfirmspoonfulswomenfolkdisinfestsevenfoldspoonfeedmisinferstrainfulsunconfuse

About this list

Words
12 (6 common words)
Common example
basinfuls
Rare example
unconfuse
Doubled letters
2
Ending in S
4
Most frequent letter
S (10)

Questions

How many 9-letter words matching ____nf___ are there?

12. 6 of them are common words.

What is a common example?

BASINFULS is among the common words in this set.