15-Letter Words Matching __________NC___

There are 12 15-letter words that match __________NC___. 3 are common words, such as INCONSISTENCIES and INCONVENIENCING. A rarer one is PREPONDERANCIES. In this set, I is the most frequent open letter (12 words). 2 words contain a doubled letter.

Full list 12

inconsistenciesinconveniencinginsufficienciesintermittenciesintransigenciesornithorhynchusrecalcitranciestranscendenciesgyrofrequenciesinconvenienciesinterprovincialpreponderancies

About this list

Words
12 (3 common words)
Common example
inconsistencies
Rare example
preponderancies
Doubled letters
2
Ending in S
10
Most frequent letter
I (12)

Questions

How many 15-letter words matching __________nc___ are there?

12. 3 of them are common words.

What is a common example?

INCONSISTENCIES is among the common words in this set.