15-Letter Words Matching __________N__A_

There are 14 15-letter words that match __________N__A_. 2 are common words, such as CIRCUMFERENTIAL and INCONSEQUENTIAL. A rarer one is TRANSUBSTANTIAL. In this set, I is the most frequent open letter (14 words). 1 words contain a doubled letter.

Full list 14

circumferentialinconsequentialadenocarcinomasjurisprudentialnonconfidentialoverinfluentialphotomechanicalservomechanicalhydromechanicalinterphalangealinterprovincialmultimillennialprepresidentialtransubstantial

About this list

Words
14 (2 common words)
Common example
circumferential
Rare example
transubstantial
Doubled letters
1
Ending in S
1
Most frequent letter
I (14)

Questions

How many 15-letter words matching __________n__a_ are there?

14. 2 of them are common words.

What is a common example?

CIRCUMFERENTIAL is among the common words in this set.