12-Letter Words Matching ____N___S___

There are 52 12-letter words that match ____N___S___. 24 are common words, such as BRAININESSES and BRAINTEASERS. A rarer one is VACANTNESSES. In this set, E is the most frequent open letter (45 words). 28 words contain a doubled letter.

Full list 52

Common words

braininessesbrainteasersbrawninessesextinguishedextinguisherextinguishesgraininessesgroundlesslyhumanenessesinconclusiveintentnessesjournalistic
braininessesbrainteasersbrawninessesextinguishedextinguisherextinguishesgraininessesgroundlesslyhumanenessesinconclusiveintentnessesjournalisticnoninclusiveparenthesizequaintnessesrecentnessesrelentlesslyrelinquishedrelinquishesrotundnessesserenenessesskinninessesthorninessesunkindnessesgroundmassesjejunenessesnominalisticreconversionrelinquisherresynthesizeunvanquishedantonomasiasboringnessesdaringnessesgroundfishesimmunoassaysinsanenessesinventresseslemongrasseslivingnesseslovingnessesnoninclusionnonintrusiveparonomasiasparonomasticpliantnessesrecondensingsilentnessessternocostalsupinenessesungenerosityvacantnesses

About this list

Words
52 (24 common words)
Common example
braininesses
Rare example
vacantnesses
Doubled letters
28
Ending in S
32
Most frequent letter
E (45)

Questions

How many 12-letter words matching ____n___s___ are there?

52. 24 of them are common words.

What is a common example?

BRAININESSES is among the common words in this set.