15-Letter Words Matching ___N______N____

There are 13 15-letter words that match ___N______N____. 1 are common words, such as UNINTENTIONALLY and ADENOCARCINOMAS. A rarer one is TRANSUBSTANTIAL. In this set, I is the most frequent open letter (13 words). 2 words contain a doubled letter.

Full list 13

unintentionallyadenocarcinomascoinstantaneouscounterchangingcounterpointingphenylketonuriatranscendenciestrinitrobenzenechondrocraniumslignosulfonatesphenylketonuricquincentennialstransubstantial

About this list

Words
13 (1 common words)
Common example
unintentionally
Rare example
transubstantial
Doubled letters
2
Ending in S
6
Most frequent letter
I (13)

Questions

How many 15-letter words matching ___n______n____ are there?

13. 1 of them are common words.

What is a common example?

UNINTENTIONALLY is among the common words in this set.