14-Letter Words Matching N_________S___

There are 12 14-letter words that match N_________S___. 4 are common words, such as NAUSEOUSNESSES and NEBULOUSNESSES. A rarer one is NUMINOUSNESSES. In this set, E is the most frequent open letter (12 words). 8 words contain a doubled letter.

Full list 12

nauseousnessesnebulousnessesneedlessnessesnegativenessesnamelessnessesnumerousnessesneurochemistrynonestablishednonmechanisticnonprogressivenonsupervisorynuminousnesses

About this list

Words
12 (4 common words)
Common example
nauseousnesses
Rare example
numinousnesses
Doubled letters
8
Ending in S
7
Most frequent letter
E (12)

Questions

How many 14-letter words matching n_________s___ are there?

12. 4 of them are common words.

What is a common example?

NAUSEOUSNESSES is among the common words in this set.