14-Letter Words Matching _____N____S___

There are 15 14-letter words that match _____N____S___. 6 are common words, such as APPRENTICESHIP and DISTINCTNESSES. A rarer one is RESIGNEDNESSES. In this set, I is the most frequent open letter (15 words). 12 words contain a doubled letter.

Full list 15

apprenticeshipdistinctnessesslovenlinessessuccinctnessesundernourishedungainlinessesmercantilisticrationalnessesretransmissionaccountantshipantiuniversityhardinggrassesheavenlinessesmaidenlinessesresignednesses

About this list

Words
15 (6 common words)
Common example
apprenticeship
Rare example
resignednesses
Doubled letters
12
Ending in S
9
Most frequent letter
I (15)

Questions

How many 14-letter words matching _____n____s___ are there?

15. 6 of them are common words.

What is a common example?

APPRENTICESHIP is among the common words in this set.