12-Letter Words Matching N_____S_____

There are 22 12-letter words that match N_____S_____. 6 are common words, such as NARCISSISTIC and NEEDLESSNESS. A rarer one is NONREUSABLES. In this set, O is the most frequent open letter (19 words). 8 words contain a doubled letter.

Full list 22

narcissisticneedlessnessneoclassicalnonexistencenonpoisonousnonsensitivenamelessnessnonfeasancesnebulositiesnephrostomesnonclassicalnonclassroomnonconsciousnonconstantsnonconsumersnonconsumingnoncrossovernoncrushablenonpasserinenonphosphatenonphysiciannonreusables

About this list

Words
22 (6 common words)
Common example
narcissistic
Rare example
nonreusables
Doubled letters
8
Ending in S
10
Most frequent letter
O (19)

Questions

How many 12-letter words matching n_____s_____ are there?

22. 6 of them are common words.

What is a common example?

NARCISSISTIC is among the common words in this set.