15-Letter Words Matching __N_T__________

There are 20 15-letter words that match __N_T__________. 8 are common words, such as CONSTITUTIONALS and CONSTRUCTIONIST. A rarer one is RENATIONALIZING. In this set, I is the most frequent open letter (18 words). 4 words contain a doubled letter.

Full list 20

constitutionalsconstructionistdenationalizingpenetrabilitiespunctiliousnesssanctificationssanctimoniouslyunnaturalnessesconstructivismsconstructivistsdenitrificationfunctionalitiesornithorhynchusdinitrobenzenesfanaticalnessesfunctionalisticmonstrousnessesnonstationariesnonutilitariansrenationalizing

About this list

Words
20 (8 common words)
Common example
constitutionals
Rare example
renationalizing
Doubled letters
4
Ending in S
14
Most frequent letter
I (18)

Questions

How many 15-letter words matching __n_t__________ are there?

20. 8 of them are common words.

What is a common example?

CONSTITUTIONALS is among the common words in this set.