12-Letter Words Matching ____S_____N_

There are 148 12-letter words that match ____S_____N_. 74 are common words, such as ATTESTATIONS and BACKSLAPPING. A rarer one is WOODSHEDDING. In this set, I is the most frequent open letter (136 words). 64 words contain a doubled letter.

Full list 148

Common words

attestationsbackslappingbackstoppingbackstrokingbarnstormingbluestockingbullshittingcheeseparingcorespondentcorkscrewingcoruscationscrosscurrent
attestationsbackslappingbackstoppingbackstrokingbarnstormingbluestockingbullshittingcheeseparingcorespondentcorkscrewingcoruscationscrosscurrentcrosscuttingdemystifyingdetestationsdevastationsdisesteemingdoorsteppingdownshiftingequestrienneforeshortensforestallingforestationsforeswearingfreestandingglassblowinghomesteadingillustratinginfestationslegislationsliposuctionsloansharkinglongstandingmolestationsobfuscationsoversamplingovershootingoversleepingoverspendingoverspillingoversteppingoverstockingpressurizingreassemblingreassertionsreassessmentreassignmentredissolvingrefashioningreinsertionsreinspectingrepossessingrhapsodizingsalespersonssidesteppingsidestrokingtransactionstranscendenttranscendingtranscribingtransferringtransformingtransfusionstranslationstransmittingtransportingtrapshootingunhesitatinguninstallingunsuspectingvivisectionswainscottingwithstandingworkstationsaccessioningbackstabbingreinstallingacousticianscardsharpingchrysarobinsclassicizingcrossruffingdeerstalkingfootsloggingindisciplinejurisprudentlogisticiansoverstuffingparascendingshowstoppingthiosinaminetranscurrenttranshipmenttransmigranttransmontanetransmundanetranspontineundiscerningvenesectionsaerosolizingantispendingchrismationscohostessingcrossbandingcrossbarringcryosurgeonsdecussationsdegustationsdetassellingendosymbiontforespeakinghardstandinghemosiderinsimpassioninglocksmithingminesweepingmisesteemingoversanguineoverslippingoverstaffingoverstirringoverstrewingoverstridingoverstrikingoversweetensoverswingingparasitisingparasitizingpedestallingphrasemakingpreassigningpressurisingredescribingrediscussingredisplayingredistillingsideslippingsnapshottingtransductanttransectionstransfectingtransferrinstransfixionstranshippingtransshapingtransvaluingtrypsinogenswoodshedding

About this list

Words
148 (74 common words)
Common example
attestations
Rare example
woodshedding
Doubled letters
64
Ending in S
33
Most frequent letter
I (136)

Questions

How many 12-letter words matching ____s_____n_ are there?

148. 74 of them are common words.

What is a common example?

ATTESTATIONS is among the common words in this set.