12-Letter Words Matching _S________N_

There are 15 12-letter words that match _S________N_. 11 are common words, such as ASCERTAINING and ASPHYXIATING. A rarer one is ISOPRENALINE. In this set, A is the most frequent open letter (15 words). 7 words contain a doubled letter.

Full list 15

ascertainingasphyxiatingasseveratingassignationsassimilatingassociationsastonishmentestablishingestrangementoscillationsostentationsassibilatingestheticiansassentationsisoprenaline

About this list

Words
15 (11 common words)
Common example
ascertaining
Rare example
isoprenaline
Doubled letters
7
Ending in S
6
Most frequent letter
A (15)

Questions

How many 12-letter words matching _s________n_ are there?

15. 11 of them are common words.

What is a common example?

ASCERTAINING is among the common words in this set.