14-Letter Words Matching S_____N_______

There are 40 14-letter words that match S_____N_______. 10 are common words, such as SEDIMENTATIONS and SEMICONDUCTING. A rarer one is SWEEPINGNESSES. In this set, I is the most frequent open letter (38 words). 10 words contain a doubled letter.

Full list 40

Common words

sedimentationssemiconductingsemiconductorssteppingstonessubstantiatingsubstantiationsuperannuatingsuperannuationsuperintendentsuperintendingsanguinenessesscrutinization
sedimentationssemiconductingsemiconductorssteppingstonessubstantiatingsubstantiationsuperannuatingsuperannuationsuperintendentsuperintendingsanguinenessesscrutinizationsemicentennialstationmasterssubstantialismsubstantializesulphanilamidesuperincumbentsustainabilityschadenfreudessclerenchymatasedimentologicseroconversionserotoninergicsoothingnessesspectinomycinssterlingnessessubstantialitysubstantiativesubstantivallysubstantivizedsubstantivizessuperencipherssuperinductionsuperinfectingsuperinfectionsuperinsulatedsuperintensitysupplantationssweepingnesses

About this list

Words
40 (10 common words)
Common example
sedimentations
Rare example
sweepingnesses
Doubled letters
10
Ending in S
13
Most frequent letter
I (38)

Questions

How many 14-letter words matching s_____n_______ are there?

40. 10 of them are common words.

What is a common example?

SEDIMENTATIONS is among the common words in this set.