12-Letter Words Matching ________S_N_

There are 104 12-letter words that match ________S_N_. 29 are common words, such as CHAIRPERSONS and CIRCUMCISING. A rarer one is WESTERNISING. In this set, I is the most frequent open letter (99 words). 25 words contain a doubled letter.

Full list 104

Common words

chairpersonscircumcisingcompromisingdiscomposingembarrassingencompassingenterprisinghairdressingmisrepresentnonpartisansoverdressingoverexposing
chairpersonscircumcisingcompromisingdiscomposingembarrassingencompassingenterprisinghairdressingmisrepresentnonpartisansoverdressingoverexposingoverpraisingparaphrasingpredeceasingpredisposingpresupposingreaddressingreappraisingrecompensingregularisingrepossessingreprocessingrepurchasingroughhousingsalespersonsstripteasingunharnessingunsurprisingverdigrisinganastomosingbackcrossingcircumfusingsprechgesangaggrandisingallegorisingangiotensinsapostatisingbastardisingbowdlerisingcapitalisingcaramelisingcategorisingcentralisingcohostessingcoprocessingderepressinggeneralisinggeometrisinggormandisinghandypersonshomogenisinghousepersonsimparadisingitalianisingjeopardisinglegitimisingliberalisinglobotomisinglyophilisinglysogenisingmilitarisingmineralisingmisfocussingmoisturisingmonopolisingmusicalisingnaturalisingneutralisingoutpromisingoverbrowsingoverfocusingparasitisingpasteurisingplagiarisingpoliticisingpolymerisingpopularisingprefocussingpressurisingprestressingradicalisingrecondensingrediscussingreexpressingrevitalisingscandalisingscrutinisingsecularisingsolubilisingspecialisingsublicensingsulphurisingsuperpersonssympathisingsyncretisingtestcrossingtheologisingtraumatisingtrivialisingtropomyosinsvasopressinsvolatilisingwesternising

About this list

Words
104 (29 common words)
Common example
chairpersons
Rare example
westernising
Doubled letters
25
Ending in S
9
Most frequent letter
I (99)

Questions

How many 12-letter words matching ________s_n_ are there?

104. 29 of them are common words.

What is a common example?

CHAIRPERSONS is among the common words in this set.