14-Letter Words Matching ____W________S

There are 12 14-letter words that match ____W________S. 5 are common words, such as BACKWARDNESSES and LUKEWARMNESSES. A rarer one is UNTOWARDNESSES. In this set, N is the most frequent open letter (12 words). 10 words contain a doubled letter.

Full list 12

backwardnesseslukewarmnessesnewsworthinessnoteworthinessunlawfulnessesshrewishnessesstalwartnessesdownwardnessesplaywrightingsrenewabilitiesroadworthinessuntowardnesses

About this list

Words
12 (5 common words)
Common example
backwardnesses
Rare example
untowardnesses
Doubled letters
10
Ending in S
12
Most frequent letter
N (12)

Questions

How many 14-letter words matching ____w________s are there?

12. 5 of them are common words.

What is a common example?

BACKWARDNESSES is among the common words in this set.