14-Letter Words Matching _NF___________

There are 21 14-letter words that match _NF___________. 8 are common words, such as INFECTIOUSNESS and INFINITESIMALS. A rarer one is INFUSIBILITIES. In this set, I is the most frequent open letter (21 words). 13 words contain a doubled letter.

Full list 21

infectiousnessinfinitesimalsinflammabilityinflorescencesinfrastructureunfaithfulnessunflappabilityunfriendlinessenforceabilityinfalliblenessinfelicitouslyinfinitenessesinflectionallyinflectionlessinfralapsarianinfrangibilityunflatteringlyunfruitfulnessinflammatorilyinflexiblenessinfusibilities

About this list

Words
21 (8 common words)
Common example
infectiousness
Rare example
infusibilities
Doubled letters
13
Ending in S
11
Most frequent letter
I (21)

Questions

How many 14-letter words matching _nf___________ are there?

21. 8 of them are common words.

What is a common example?

INFECTIOUSNESS is among the common words in this set.